<?xml version="1.0"?>
<rdf:RDF xmlns="https://pat.nichd.nih.gov/patepigeneticprocess#"
     xml:base="https://pat.nichd.nih.gov/patepigeneticprocess"
     xmlns:owl="http://www.w3.org/2002/07/owl#"
     xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
     xmlns:xml="http://www.w3.org/XML/1998/namespace"
     xmlns:xsd="http://www.w3.org/2001/XMLSchema#"
     xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
     xmlns:skos="http://www.w3.org/2004/02/skos/core#"
     xmlns:metadata="http://data.bioontology.org/metadata/"
     xmlns:oboInOwl="http://www.geneontology.org/formats/oboInOwl#"
     xmlns:terminology="http://pat.nichd.nih.gov/terminology/">
    <owl:Ontology rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess"/>
    


    <!-- 
    ///////////////////////////////////////////////////////////////////////////////////////
    //
    // Annotation properties
    //
    ///////////////////////////////////////////////////////////////////////////////////////
     -->

    


    <!-- http://data.bioontology.org/metadata/prefixIRI -->

    <owl:AnnotationProperty rdf:about="http://data.bioontology.org/metadata/prefixIRI"/>
    


    <!-- http://pat.nichd.nih.gov/terminology/linkedAnnotation -->

    <owl:AnnotationProperty rdf:about="http://pat.nichd.nih.gov/terminology/linkedAnnotation">
        <rdfs:label>Linked Annotation</rdfs:label>
        <rdfs:subPropertyOf rdf:resource="http://www.w3.org/2004/02/skos/core#related"/>
    </owl:AnnotationProperty>
    


    <!-- http://www.geneontology.org/formats/oboInOwl#hasDbXref -->

    <owl:AnnotationProperty rdf:about="http://www.geneontology.org/formats/oboInOwl#hasDbXref">
        <rdfs:label>External Source</rdfs:label>
    </owl:AnnotationProperty>
    


    <!-- http://www.geneontology.org/formats/oboInOwl#id -->

    <owl:AnnotationProperty rdf:about="http://www.geneontology.org/formats/oboInOwl#id">
        <rdfs:label>PAT ID</rdfs:label>
    </owl:AnnotationProperty>
    


    <!-- http://www.w3.org/2000/01/rdf-schema#label -->

    <rdf:Description rdf:about="http://www.w3.org/2000/01/rdf-schema#label">
        <rdfs:label>Label</rdfs:label>
    </rdf:Description>
    


    <!-- http://www.w3.org/2004/02/skos/core#altLabel -->

    <owl:AnnotationProperty rdf:about="http://www.w3.org/2004/02/skos/core#altLabel">
        <rdfs:label>Synonyms</rdfs:label>
        <rdfs:subPropertyOf rdf:resource="http://www.w3.org/2000/01/rdf-schema#label"/>
    </owl:AnnotationProperty>
    


    <!-- http://www.w3.org/2004/02/skos/core#closeMatch -->

    <owl:AnnotationProperty rdf:about="http://www.w3.org/2004/02/skos/core#closeMatch">
        <rdfs:label>Similar Term</rdfs:label>
        <rdfs:subPropertyOf rdf:resource="http://www.w3.org/2004/02/skos/core#mappingRelation"/>
    </owl:AnnotationProperty>
    


    <!-- http://www.w3.org/2004/02/skos/core#definition -->

    <owl:AnnotationProperty rdf:about="http://www.w3.org/2004/02/skos/core#definition">
        <rdfs:label>Definition</rdfs:label>
    </owl:AnnotationProperty>
    


    <!-- http://www.w3.org/2004/02/skos/core#exactMatch -->

    <owl:AnnotationProperty rdf:about="http://www.w3.org/2004/02/skos/core#exactMatch">
        <rdfs:label>Equivalent Term</rdfs:label>
        <rdfs:subPropertyOf rdf:resource="http://www.w3.org/2004/02/skos/core#mappingRelation"/>
    </owl:AnnotationProperty>
    


    <!-- http://www.w3.org/2004/02/skos/core#hiddenLabel -->

    <owl:AnnotationProperty rdf:about="http://www.w3.org/2004/02/skos/core#hiddenLabel">
        <rdfs:label>Annotation Term</rdfs:label>
        <rdfs:subPropertyOf rdf:resource="http://www.w3.org/2000/01/rdf-schema#label"/>
    </owl:AnnotationProperty>
    


    <!-- http://www.w3.org/2004/02/skos/core#mappingRelation -->

    <owl:AnnotationProperty rdf:about="http://www.w3.org/2004/02/skos/core#mappingRelation"/>
    


    <!-- http://www.w3.org/2004/02/skos/core#notation -->

    <owl:AnnotationProperty rdf:about="http://www.w3.org/2004/02/skos/core#notation"/>
    


    <!-- http://www.w3.org/2004/02/skos/core#related -->

    <owl:AnnotationProperty rdf:about="http://www.w3.org/2004/02/skos/core#related"/>
    


    <!-- 
    ///////////////////////////////////////////////////////////////////////////////////////
    //
    // Classes
    //
    ///////////////////////////////////////////////////////////////////////////////////////
     -->

    


    <!-- http://www.w3.org/2002/07/owl#Thing -->

    <rdf:Description rdf:about="http://www.w3.org/2002/07/owl#Thing">
        <metadata:prefixIRI rdf:datatype="http://www.w3.org/2001/XMLSchema#string">owl:Thing</metadata:prefixIRI>
    </rdf:Description>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000032 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000032">
        <rdfs:subClassOf rdf:resource="http://www.w3.org/2002/07/owl#Thing"/>
        <oboInOwl:hasDbXref>http://localhost/plosthes.2017-1#2007</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0006304</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://www.bootstrep.eu/ontology/GRO#DNAModification</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000032</oboInOwl:id>
        <rdfs:label>DNA Modification</rdfs:label>
        <skos:altLabel>modifed DNA</skos:altLabel>
        <skos:definition>[GO Definition]: The covalent alteration of one or more nucleotide sites in DNA, resulting in a change in its properties.</skos:definition>
        <skos:notation>P00000032</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000033 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000033">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000032"/>
        <oboInOwl:hasDbXref>http://localhost/plosthes.2017-1#2309</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C17961</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://purl.bioontology.org/ontology/CSP/2101-9974</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://purl.bioontology.org/ontology/MESH/D019175</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0006306</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000033</oboInOwl:id>
        <rdfs:label>DNA Methylation</rdfs:label>
        <skos:altLabel>DNA Methylation Process</skos:altLabel>
        <skos:altLabel>DNA Methylations</skos:altLabel>
        <skos:altLabel>Methylation, DNA</skos:altLabel>
        <skos:altLabel>Methylations, DNA</skos:altLabel>
        <skos:definition>[NCIt Definition]: The process by which methyl groups are added to nucleotides in genomic DNA.</skos:definition>
        <skos:exactMatch rdf:resource="http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C17961"/>
        <skos:notation>P00000033</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000034 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000034">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000033"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0044028</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000034</oboInOwl:id>
        <rdfs:label>DNA Hypomethylation</rdfs:label>
        <skos:definition>[GO Definition]: An decrease in the epigenetic methylation of cytosine and adenosine residues in DNA.</skos:definition>
        <skos:exactMatch rdf:resource="http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C121521"/>
        <skos:notation>P00000034</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000036 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000036">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000033"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0044026</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000036</oboInOwl:id>
        <rdfs:label>DNA Hypermethylation</rdfs:label>
        <skos:altLabel>Promoter Hypermethylation</skos:altLabel>
        <skos:definition>[GO Definition]: An increase in the epigenetic methylation of cytosine and adenosine residues in DNA.</skos:definition>
        <skos:exactMatch rdf:resource="http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C20102"/>
        <skos:notation>P00000036</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000039 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000039">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000033"/>
        <oboInOwl:id>P00000039</oboInOwl:id>
        <rdfs:label>Maternal DNA Methylation</rdfs:label>
        <skos:altLabel>maternal DNA methylation</skos:altLabel>
        <skos:altLabel>maternal derived methylation</skos:altLabel>
        <skos:definition>Maternally inherited DNA methylation</skos:definition>
        <skos:notation>P00000039</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000040 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000040">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000033"/>
        <oboInOwl:id>P00000040</oboInOwl:id>
        <rdfs:label>Paternal DNA Methylation</rdfs:label>
        <skos:definition>Paternally inherited DNA methylation</skos:definition>
        <skos:notation>P00000040</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000041 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000041">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000033"/>
        <oboInOwl:hasDbXref>https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2892089/</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000041</oboInOwl:id>
        <rdfs:label>Allelic Methylation</rdfs:label>
        <skos:altLabel>allele-specific methylation</skos:altLabel>
        <skos:altLabel>allelic methylation</skos:altLabel>
        <skos:altLabel>allelic-methylation</skos:altLabel>
        <skos:altLabel>allelically methylated</skos:altLabel>
        <skos:definition>In addition to DNA methylation pattern differences between cell lines, DNA methylation can also be allele-specific within a cell line and is thus linked to allele-specific gene expression (ASE).</skos:definition>
        <skos:notation>P00000041</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000042 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000042">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000033"/>
        <oboInOwl:id>P00000042</oboInOwl:id>
        <rdfs:label>Gene-specific Methylation</rdfs:label>
        <skos:notation>P00000042</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000043 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000043">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000033"/>
        <oboInOwl:hasDbXref>https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5485512/</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000043</oboInOwl:id>
        <rdfs:label>CpG Methylation</rdfs:label>
        <skos:definition>DNA methylation was found to occur predominantly on cytosines followed by guanine residues (CpG). This type of methylation is referred to as CpG methylation, and cytosine methylated at the fifth carbon of the pyrimidine ring is called 5-methylcytosine (5mC).</skos:definition>
        <skos:notation>P00000043</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000044 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000044">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000033"/>
        <oboInOwl:id>P00000044</oboInOwl:id>
        <rdfs:label>Differential DNA Methylation</rdfs:label>
        <skos:notation>P00000044</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000045 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000045">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000044"/>
        <oboInOwl:id>P00000045</oboInOwl:id>
        <rdfs:label>Tissue-Specific Differential DNA Methylation</rdfs:label>
        <skos:notation>P00000045</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000046 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000046">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000033"/>
        <oboInOwl:hasDbXref>https://www-sciencedirect-com.proxy1.library.jhu.edu/science/article/pii/S0168952511001582</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000046</oboInOwl:id>
        <rdfs:label>De Novo DNA Methylation</rdfs:label>
        <skos:definition>De novo DNA methylation takes place in distinct cellular contexts in male and female germ cells and this is an important notion to consider from a mechanistic point of view</skos:definition>
        <skos:notation>P00000046</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000047 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000047">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000033"/>
        <oboInOwl:hasDbXref>http://nathansheffield.com/wordpress/what-is-hemimethylated-dna/</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000047</oboInOwl:id>
        <rdfs:label>DNA Hemimethylation</rdfs:label>
        <skos:altLabel>DNA-hemimethylation</skos:altLabel>
        <skos:definition>DNA-hemimethylation is when only one of two (complementary) strands is methylated. A hemi-methylated site is a single CpG that is methylated on one strand, but not on the other.</skos:definition>
        <skos:notation>P00000047</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000048 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000048">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000047"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0044729</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000048</oboInOwl:id>
        <rdfs:label>Hemimethylated DNA Binding</rdfs:label>
        <skos:altLabel>double-stranded hemi-methylated DNA binding</skos:altLabel>
        <skos:altLabel>hemi-methylated DNA binding</skos:altLabel>
        <skos:altLabel>hemi-methylated DNA-binding</skos:altLabel>
        <skos:definition>[GO Definition]: Interacting selectively and non-covalently with double-stranded hemi-methylated DNA at replication foci (one strand methylated, while the other strand is unmethylated). Methylation of cytosine or adenine in DNA is an important mechanism for establishing stable heritable epigenetic marks.</skos:definition>
        <skos:notation>P00000048</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000049 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000049">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000032"/>
        <oboInOwl:hasDbXref>http://purl.bioontology.org/ontology/MESH/D000073399</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0080111</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000049</oboInOwl:id>
        <rdfs:label>DNA Demethylation</rdfs:label>
        <skos:altLabel>DNA Demethylations</skos:altLabel>
        <skos:altLabel>Demethylation, DNA</skos:altLabel>
        <skos:altLabel>Demethylations, DNA</skos:altLabel>
        <skos:definition>[GO Definition]: The removal of a methyl group from one or more nucleotides within an DNA molecule.</skos:definition>
        <skos:notation>P00000049</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000050 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000050">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000032"/>
        <oboInOwl:hasDbXref>http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C106316</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000050</oboInOwl:id>
        <rdfs:label>DNA Hydroxmethylation</rdfs:label>
        <skos:definition>[NCIt Definition]: A DNA modification process where a hydrogen at the C5-position of a cytosine residue is replaced with a hydroxmethyl group.</skos:definition>
        <skos:notation>P00000050</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000051 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000051">
        <rdfs:subClassOf rdf:resource="http://www.w3.org/2002/07/owl#Thing"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0006325</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000051</oboInOwl:id>
        <rdfs:label>Chromatin Organization</rdfs:label>
        <skos:altLabel>chromatin modification</skos:altLabel>
        <skos:altLabel>chromatin organisation</skos:altLabel>
        <skos:altLabel>chromatin organization</skos:altLabel>
        <skos:altLabel>establishment or maintenance of chromatin architecture</skos:altLabel>
        <skos:definition>[GO Definition]: Any process that results in the specification, formation or maintenance of the physical structure of eukaryotic chromatin.</skos:definition>
        <skos:notation>P00000051</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000052 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000052">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000051"/>
        <oboInOwl:hasDbXref>http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C19797</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0006338</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000052</oboInOwl:id>
        <rdfs:label>Chromatin Remodeling</rdfs:label>
        <skos:altLabel>Chromatin Remodeling Cofactor</skos:altLabel>
        <skos:altLabel>chromatin modeling</skos:altLabel>
        <skos:altLabel>chromatin modelling</skos:altLabel>
        <skos:altLabel>chromatin remodelling</skos:altLabel>
        <skos:definition>[NCIt Definition]: Chromatin Remodeling involves alterations of the content or activity of DNA-binding and chromatin-associated proteins that affect the function and higher order conformational state of chromatin, as well as the activity of specific genes or functional DNA regions.</skos:definition>
        <skos:exactMatch rdf:resource="http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C19797"/>
        <skos:exactMatch rdf:resource="https://pat.nichd.nih.gov/patgeneticvariance/GV.04.01"/>
        <skos:notation>P00000052</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000054 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000054">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000051"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0042393</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000054</oboInOwl:id>
        <rdfs:label>Histone Binding</rdfs:label>
        <skos:altLabel>histone-specific chaperone activity</skos:altLabel>
        <skos:definition>[GO Definition]: Interacting selectively and non-covalently with a histone, any of a group of water-soluble proteins found in association with the DNA of eukaroytic chromosomes. They are involved in the condensation and coiling of chromosomes during cell division and have also been implicated in nonspecific suppression of gene activity.</skos:definition>
        <skos:notation>P00000054</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000055 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000055">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000054"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0035064</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000055</oboInOwl:id>
        <rdfs:label>Methylated Histone Binding</rdfs:label>
        <skos:definition>[GO Definition]: Interacting selectively and non-covalently with a histone in which a residue has been modified by methylation. Histones are any of a group of water-soluble proteins found in association with the DNA of eukaroytic chromosomes.</skos:definition>
        <skos:notation>P00000055</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000056 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000056">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000051"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0006342</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://www.bootstrep.eu/ontology/GRO#ChromatinSilencing</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000056</oboInOwl:id>
        <rdfs:label>Chromatin Silencing</rdfs:label>
        <skos:altLabel>TGS</skos:altLabel>
        <skos:altLabel>chromatin-mediated maintenance of transcriptional inactivation</skos:altLabel>
        <skos:altLabel>chromatin-mediated silencing</skos:altLabel>
        <skos:altLabel>heterochromatic silencing</skos:altLabel>
        <skos:altLabel>transcriptional gene silencing</skos:altLabel>
        <skos:definition>[GO Definition]: Note that this process is the opposite of chromatin-mediated maintenance of transcription. This regulation is exemplified by members of the Polycomb group, which maintain the inactive state of homeotic gene transcription. Repression of transcription by altering the structure of chromatin, e.g. by conversion of large regions of DNA into an inaccessible state often called heterochromatin.</skos:definition>
        <skos:notation>P00000056</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000057 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000057">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000056"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0000183</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000057</oboInOwl:id>
        <rdfs:label>Chromatin Silencing at rDNA</rdfs:label>
        <skos:altLabel>chromatin silencing at ribosomal DNA</skos:altLabel>
        <skos:altLabel>heterochromatic silencing at rDNA</skos:altLabel>
        <skos:altLabel>rDNA chromatin silencing</skos:altLabel>
        <skos:definition>[GO Definition]: Repression of transcription of ribosomal DNA by altering the structure of chromatin.</skos:definition>
        <skos:notation>P00000057</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000058 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000058">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000056"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0006348</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000058</oboInOwl:id>
        <rdfs:label>Chromatin Silencing at Telomere</rdfs:label>
        <skos:altLabel>Telomere Position Effect</skos:altLabel>
        <skos:altLabel>heterochromatic silencing at telomere</skos:altLabel>
        <skos:altLabel>telomere chromatin silencing</skos:altLabel>
        <skos:altLabel>telomeric silencing</skos:altLabel>
        <skos:definition>[GO Definition]: Repression of transcription of telomeric DNA by altering the structure of chromatin.</skos:definition>
        <skos:notation>P00000058</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000059 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000059">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000056"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0031048</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000059</oboInOwl:id>
        <rdfs:label>Chromatin Silencing by Small RNA</rdfs:label>
        <skos:altLabel>RNA interference-like chromatin silencing</skos:altLabel>
        <skos:altLabel>RNA-mediated TGS</skos:altLabel>
        <skos:altLabel>RNA-mediated chromatin silencing</skos:altLabel>
        <skos:altLabel>RNA-mediated transcriptional silencing</skos:altLabel>
        <skos:altLabel>RNAi-directed chromatin silencing</skos:altLabel>
        <skos:altLabel>RNAi-like chromatin silencing</skos:altLabel>
        <skos:altLabel>small RNA-mediated heterochromatic silencing</skos:altLabel>
        <skos:definition>[GO Definition]: Repression of transcription by conversion of large regions of DNA into heterochromatin, directed by small RNAs sharing sequence identity to the repressed region.</skos:definition>
        <skos:notation>P00000059</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000060 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000060">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000056"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0006346</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000060</oboInOwl:id>
        <rdfs:label>Methylation-Dependent Chromatin Silencing</rdfs:label>
        <skos:altLabel>methylation dependent chromatin silencing</skos:altLabel>
        <skos:altLabel>methylation-dependent heterochromatic silencing</skos:altLabel>
        <skos:definition>[GO Definition]: Repression of transcription by methylation of DNA, leading to the formation of heterochromatin.</skos:definition>
        <skos:notation>P00000060</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000061 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000061">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000051"/>
        <oboInOwl:id>P00000061</oboInOwl:id>
        <rdfs:label>Chromosomal Positioning Effect</rdfs:label>
        <skos:notation>P00000061</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000062 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000062">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000063"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0016584</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000062</oboInOwl:id>
        <rdfs:label>Nucleosome Positioning</rdfs:label>
        <skos:altLabel>nucleosome spacing</skos:altLabel>
        <skos:definition>[GO Definition]: Ordering of successions of nucleosomes into regular arrays so that nucleosomes are positioned at defined distances from one another.</skos:definition>
        <skos:notation>P00000062</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000063 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000063">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000051"/>
        <oboInOwl:id>P00000063</oboInOwl:id>
        <rdfs:label>Nucleosome Process</rdfs:label>
        <skos:notation>P00000063</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000064 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000064">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000063"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0034728</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000064</oboInOwl:id>
        <rdfs:label>Nucleosome Organization</rdfs:label>
        <skos:altLabel>nucleosome organisation</skos:altLabel>
        <skos:definition>[GO Definition]: A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of one or more nucleosomes.</skos:definition>
        <skos:notation>P00000064</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000065 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000065">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000063"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0006334</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/HINO_0017710</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://scai.fraunhofer.de/PWDICT#ID1595</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000065</oboInOwl:id>
        <rdfs:label>Nucleosome Assembly</rdfs:label>
        <skos:definition>[GO Definition]: The aggregation, arrangement and bonding together of a nucleosome, the beadlike structural units of eukaryotic chromatin composed of histones and DNA.</skos:definition>
        <skos:notation>P00000065</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000066 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000066">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000063"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0006337</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000066</oboInOwl:id>
        <rdfs:label>Nucleosome Disassembly</rdfs:label>
        <skos:definition>[GO Definition]: The controlled breakdown of nucleosomes, the beadlike structural units of eukaryotic chromatin composed of histones and DNA.</skos:definition>
        <skos:notation>P00000066</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000067 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000067">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000063"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0031491</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000067</oboInOwl:id>
        <rdfs:label>Nucleosome Binding</rdfs:label>
        <skos:definition>[GO Definition]: Interacting selectively and non-covalently with a nucleosome, a complex comprised of DNA wound around a multisubunit core and associated proteins, which forms the primary packing unit of DNA into higher order structures.</skos:definition>
        <skos:notation>P00000067</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000068 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000068">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000063"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0016584</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/VariO_0158</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000068</oboInOwl:id>
        <rdfs:label>Nucleosome Sliding</rdfs:label>
        <skos:altLabel>nucleosome spacing</skos:altLabel>
        <skos:definition>[GO Definition]: Ordering of successions of nucleosomes into regular arrays so that nucleosomes are positioned at defined distances from one another.</skos:definition>
        <skos:notation>P00000068</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000069 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000069">
        <rdfs:subClassOf rdf:resource="http://www.w3.org/2002/07/owl#Thing"/>
        <oboInOwl:hasDbXref>http://localhost/plosthes.2017-1#1628</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C129422</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://purl.jp/bio/4/id/200906074118403576</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0016570</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/VariO_0453</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000069</oboInOwl:id>
        <rdfs:label>Histone Modification</rdfs:label>
        <skos:altLabel>Histone Modification</skos:altLabel>
        <skos:altLabel>Post-Translational Histone Modification</skos:altLabel>
        <skos:altLabel>modified histone</skos:altLabel>
        <skos:altLabel>modified histones</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000069"/>
        <skos:definition>[NCIt Definition]: Post-translational processing of amino acids within a histone protein.</skos:definition>
        <skos:exactMatch rdf:resource="http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C129422"/>
        <skos:notation>P00000069</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000070 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000070">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000069"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0043486</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000070</oboInOwl:id>
        <rdfs:label>Histone Exchange</rdfs:label>
        <skos:altLabel>histone chaperone</skos:altLabel>
        <skos:altLabel>histone replacement</skos:altLabel>
        <skos:definition>[GO Definition]: The replacement, within chromatin, of resident histones or histone subunits with alternative, sometimes variant, histones or subunits. Note that this term also includes the exchange of sperm-specific histones or protamines with histones, occurring during spermatogenesis and fertilization.</skos:definition>
        <skos:notation>P00000070</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000071 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000071">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000069"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0016571</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/SO_0001701</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000071</oboInOwl:id>
        <rdfs:label>Histone Methylation</rdfs:label>
        <skos:altLabel>Histone Glutamine Methylation</skos:altLabel>
        <skos:altLabel>histone methylation</skos:altLabel>
        <skos:altLabel>histone methylation site</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000071"/>
        <skos:definition>[SO Definition]: A histone modification site where the modification is the methylation of the residue.</skos:definition>
        <skos:notation>P00000071</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000080 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000080">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000069"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0016577</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000080</oboInOwl:id>
        <rdfs:label>Histone Demethylation</rdfs:label>
        <skos:definition>[GO Definition]: The modification of histones by removal of methyl groups.</skos:definition>
        <skos:notation>P00000080</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000081 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000081">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000069"/>
        <oboInOwl:hasDbXref>http://localhost/plosthes.2017-1#9263</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C20740</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0016573</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://www.bootstrep.eu/ontology/GRO#HistoneAcetylation</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000081</oboInOwl:id>
        <rdfs:label>Histone Acetylation</rdfs:label>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000081"/>
        <skos:definition>[NCIt Definition]: Histone Acetylation involves covalent linkage of acetyl groups to highly basic histone proteins associated with DNA, particularly in active chromatin, and may be involved in regulation of gene expression.</skos:definition>
        <skos:notation>P00000081</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000089 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000089">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000069"/>
        <oboInOwl:hasDbXref>http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C40580</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0016575</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000089</oboInOwl:id>
        <rdfs:label>Histone Deacetylation</rdfs:label>
        <skos:definition>[NCIt Definition]: Histone Deacetylation is the covalent post-translational enzymatic addition of an acetyl group(s) to a histone protein. By exposing cationic sites on the protein that promote ionic interaction with the negatively charged DNA backbone, Histone Deacetylation induces DNA condensation and regulates genetic functions, such as transcription. (NCI)</skos:definition>
        <skos:notation>P00000089</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000090 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000090">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000069"/>
        <oboInOwl:id>P00000090</oboInOwl:id>
        <rdfs:label>Histone Butyrylation</rdfs:label>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000090"/>
        <skos:definition>The modification of histones by addition of butyryl groups.</skos:definition>
        <skos:notation>P00000090</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000091 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000091">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000069"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0071110</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000091</oboInOwl:id>
        <rdfs:label>Histone Biotinylation</rdfs:label>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000091"/>
        <skos:definition>[GO Definition]: The modification of a histone by the addition of a biotinyl group. [ http://www.ncbi.nlm.nih.gov/pubmed/19019041 http://www.ncbi.nlm.nih.gov/pubmed/14613969 GOC:rph ]</skos:definition>
        <skos:notation>P00000091</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000092 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000092">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000069"/>
        <oboInOwl:hasDbXref>https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4501262/</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000092</oboInOwl:id>
        <rdfs:label>Histone Crotonylation</rdfs:label>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000092"/>
        <skos:definition>The modification of a lysine residue on a histone by crotonylation.</skos:definition>
        <skos:notation>P00000092</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000093 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000093">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000069"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0036414</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000093</oboInOwl:id>
        <rdfs:label>Histone Citrullination</rdfs:label>
        <skos:altLabel>histone deimination</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000093"/>
        <skos:definition>[GO Definition]: The hydrolysis of peptidyl-arginine to form peptidyl-citrulline on a histone protein. [ http://www.ncbi.nlm.nih.gov/pubmed/22853951 GOC:als http://www.ncbi.nlm.nih.gov/pubmed/23175390 ]</skos:definition>
        <skos:notation>P00000093</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000094 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000094">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000069"/>
        <oboInOwl:hasDbXref>http://www.iiserpune.ac.in/~coee/histome/ptm.php?mod_type=lysine_ribosylation</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000094</oboInOwl:id>
        <rdfs:label>Histone ADP-Ribosylation</rdfs:label>
        <skos:altLabel>histone ADP ribosylation</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000094"/>
        <skos:definition>Histone proteins often undergo ribosylation (ar) i.e. the addition of poly (ADP-ribose) units specifically at the lysine residues. This modification is mediated by Poly [ADP-ribose] polymerase (PARP) enzymes. In this case, the NAD+ acts as the ADP-ribose donor. These are big units and each ADP-ribose moiety adds ~560 Da to the histone protein. ADP-ribosylation causes disruption of the nucleosome structure by loss of histone-DNA interaction on account of charge modification.

ADP ribosylation plays an important role in DNA break repair mechanisms.</skos:definition>
        <skos:notation>P00000094</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000095 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000095">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000069"/>
        <oboInOwl:id>P00000095</oboInOwl:id>
        <rdfs:label>Histone Glycosylation</rdfs:label>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000095"/>
        <skos:definition>The modification of histones by addition of carbohydrate groups.</skos:definition>
        <skos:notation>P00000095</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000096 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000096">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000069"/>
        <oboInOwl:id>P00000096</oboInOwl:id>
        <rdfs:label>Histone Malonylation</rdfs:label>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000096"/>
        <skos:definition>The addition of a malonyl group to a histone lysine residue which serves a yet-to-be-determined function.</skos:definition>
        <skos:notation>P00000096</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000097 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000097">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000069"/>
        <oboInOwl:hasDbXref>https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4176146/</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000097</oboInOwl:id>
        <rdfs:comment>O-GlcNAcylated histone</rdfs:comment>
        <rdfs:label>Histone O-GlcNAcylation</rdfs:label>
        <skos:altLabel>histone O-GlcNAc glycosylation</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000097"/>
        <skos:definition>A histone modification where the modification is the covalent linkage of N-acetylglucosamine (GlcNAc) to the histone residue.</skos:definition>
        <skos:notation>P00000097</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000098 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000098">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000069"/>
        <oboInOwl:hasDbXref>https://www.ncbi.nlm.nih.gov/pubmed/14578449</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000098</oboInOwl:id>
        <rdfs:label>Histone Sumoylation</rdfs:label>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000098"/>
        <skos:definition>The modification of histones by addition of small Ubiquitin-like Modifier (SUMO) groups.</skos:definition>
        <skos:notation>P00000098</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000099 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000099">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000069"/>
        <oboInOwl:id>P00000099</oboInOwl:id>
        <rdfs:label>Histone Propionylation</rdfs:label>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000099"/>
        <skos:definition>The modification of histones by addition of propionyl groups.</skos:definition>
        <skos:notation>P00000099</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000100 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000100">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000069"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0016572</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000100</oboInOwl:id>
        <rdfs:label>Histone Phosphorylation</rdfs:label>
        <skos:altLabel>histone-serine phosphorylation</skos:altLabel>
        <skos:altLabel>histone-threonine phosphorylation</skos:altLabel>
        <skos:altLabel>histone-tyrosine phosphorylation</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000100"/>
        <skos:definition>[GO Definition]: The modification of histones by addition of phosphate groups. [ GOC:ai ]</skos:definition>
        <skos:notation>P00000100</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000102 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000102">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000069"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0016576</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000102</oboInOwl:id>
        <rdfs:label>Histone Dephosphorylation</rdfs:label>
        <skos:definition>[GO Definition]: The modification of histones by removal of phosphate groups.</skos:definition>
        <skos:notation>P00000102</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000103 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000103">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000069"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0016574</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/SO_0001716</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000103</oboInOwl:id>
        <rdfs:label>Histone Ubiquitination</rdfs:label>
        <skos:altLabel>histone ubiquitination site</skos:altLabel>
        <skos:altLabel>histone ubiquitinylation</skos:altLabel>
        <skos:altLabel>histone ubiquitylation</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000103"/>
        <skos:definition>[GO Definition]: The modification of histones by addition of ubiquitin groups. [ GOC:ai ]</skos:definition>
        <skos:notation>P00000103</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000104 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000104">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000103"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0033522</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000104</oboInOwl:id>
        <rdfs:label>Histone H2A Ubiquitination</rdfs:label>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000104"/>
        <skos:definition>[GO Definition]: The modification of histone H2A by addition of one or more ubiquitin groups. [ GOC:mah http://www.ncbi.nlm.nih.gov/pubmed/15509584 GOC:bf http://www.ncbi.nlm.nih.gov/pubmed/16473935 http://www.ncbi.nlm.nih.gov/pubmed/18430235 ]</skos:definition>
        <skos:notation>P00000104</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000105 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000105">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000069"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0016578</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000105</oboInOwl:id>
        <rdfs:label>Histone Deubiquitination</rdfs:label>
        <skos:altLabel>histone deubiquitinylation</skos:altLabel>
        <skos:altLabel>histone deubiquitylation</skos:altLabel>
        <skos:definition>[GO Definition]: The modification of histones by removal of ubiquitin groups. [ GOC:ai ]</skos:definition>
        <skos:notation>P00000105</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000106 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000106">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000105"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0070537</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000106</oboInOwl:id>
        <rdfs:label>Histone H2AK63-Linked Deubiquitination</rdfs:label>
        <skos:definition>[GO Definition]: A protein deubiquitination process in which a K63-linked ubiquitin chain, i.e. a polymer of ubiquitin formed by linkages between lysine residues at position 63 of the ubiquitin monomers, is removed from a lysine residue in histone H2A or the variant H2AX. [ http://www.ncbi.nlm.nih.gov/pubmed/19214193 GOC:mah http://www.ncbi.nlm.nih.gov/pubmed/19202061 ]</skos:definition>
        <skos:notation>P00000106</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000108 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000108">
        <rdfs:subClassOf rdf:resource="http://www.w3.org/2002/07/owl#Thing"/>
        <oboInOwl:hasDbXref>http://localhost/plosthes.2017-1#782</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://purl.bioontology.org/ontology/MESH/D004303</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://purl.bioontology.org/ontology/SNOMEDCT/14915001</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GENO_0000923</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0007549</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://www.bootstrep.eu/ontology/GRO#DosageCompensation</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000108</oboInOwl:id>
        <rdfs:label>Genetic Dosage Compensation</rdfs:label>
        <skos:altLabel>Compensation, Dosage (Genetics)</skos:altLabel>
        <skos:altLabel>Compensation, Gene Dosage</skos:altLabel>
        <skos:altLabel>Compensation, Genetic Dosage</skos:altLabel>
        <skos:altLabel>Dosage Compensation (Genetics)</skos:altLabel>
        <skos:altLabel>Dosage Compensation, Gene</skos:altLabel>
        <skos:altLabel>Dosage compensation</skos:altLabel>
        <skos:altLabel>Gene Dosage Compensation</skos:altLabel>
        <skos:altLabel>Gene Dosage Compensations</skos:altLabel>
        <skos:altLabel>Genetic Dosage Compensation</skos:altLabel>
        <skos:altLabel>Genetic Dosage Compensations</skos:altLabel>
        <skos:altLabel>Hypertranscription, X Chromosome</skos:altLabel>
        <skos:altLabel>Hypertranscription, X-Chromosome</skos:altLabel>
        <skos:altLabel>X Chromosome Hypertranscription</skos:altLabel>
        <skos:altLabel>X-Chromosome Hypertranscription</skos:altLabel>
        <skos:definition>[GO Definition]: Compensating for the variation in the unpaired sex chromosome:autosome chromosome ratios between sexes by activation or inactivation of genes on one or both of the sex chromosomes.</skos:definition>
        <skos:notation>P00000108</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000109 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000109">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000108"/>
        <oboInOwl:hasDbXref>http://localhost/plosthes.2017-1#10656</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C20674</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0060816</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000109</oboInOwl:id>
        <rdfs:label>X Chromosome Inactivation</rdfs:label>
        <skos:altLabel>X Chromosome Inactivation</skos:altLabel>
        <skos:altLabel>X Inactivation</skos:altLabel>
        <skos:altLabel>X-Chromosome Inactivation</skos:altLabel>
        <skos:definition>[NCIt Definition]: A human early embryonic event in which in any given cell one of a female&apos;s two X chromosomes becomes inactivated and converted into a Barr body. After inactivation has occurred, all descendants of that cell have the same inactivated X chromosome. Thus, X-inactivation creates cell clones with differing effective gene content. An organism whose cells vary in effective gene content and hence in the expression of a trait, is called a genetic mosaic.</skos:definition>
        <skos:exactMatch rdf:resource="http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C20674"/>
        <skos:notation>P00000109</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000110 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000110">
        <rdfs:subClassOf rdf:resource="http://www.w3.org/2002/07/owl#Thing"/>
        <oboInOwl:hasDbXref>http://localhost/plosthes.2017-1#1696</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C17743</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://purl.bioontology.org/ontology/CSP/4003-0019</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://purl.bioontology.org/ontology/MESH/D018392</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000110</oboInOwl:id>
        <rdfs:label>Genomic Imprinting</rdfs:label>
        <skos:altLabel>Genetic Imprinting</skos:altLabel>
        <skos:altLabel>Imprinting, Genetic</skos:altLabel>
        <skos:altLabel>Imprinting, Genomic</skos:altLabel>
        <skos:altLabel>Imprinting, Parental</skos:altLabel>
        <skos:altLabel>Parental Imprinting</skos:altLabel>
        <skos:definition>[NCIt Definition]: Parent-specific expression or repression of genes or chromosomes in offspring.</skos:definition>
        <skos:exactMatch rdf:resource="http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C17743"/>
        <skos:notation>P00000110</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000112 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000112">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000110"/>
        <oboInOwl:id>P00000112</oboInOwl:id>
        <rdfs:label>Tissue-Specific Imprinting</rdfs:label>
        <skos:altLabel>tissue specific imprinting</skos:altLabel>
        <skos:definition>The variable phenotypic expression of a tissue-specific GENE depending on whether it is of paternal or maternal origin, which is a function of the DNA METHYLATION pattern. Imprinted regions are observed to be more methylated and less transcriptionally active.</skos:definition>
        <skos:notation>P00000112</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000113 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000113">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000110"/>
        <oboInOwl:id>P00000113</oboInOwl:id>
        <rdfs:label>Mosaic Imprinting</rdfs:label>
        <skos:notation>P00000113</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000114 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000114">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000110"/>
        <oboInOwl:hasDbXref>https://www.abcam.com/epigenetics/epigenetics-glossary</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000114</oboInOwl:id>
        <rdfs:label>Loss of Imprinting</rdfs:label>
        <skos:altLabel>LOI</skos:altLabel>
        <skos:altLabel>loss of imprinting</skos:altLabel>
        <skos:definition>Alteration of imprinted gene expression caused by aberrant DNA methylation or deletion of regulatory DNA sequences.</skos:definition>
        <skos:notation>P00000114</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000115 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000115">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000110"/>
        <oboInOwl:id>P00000115</oboInOwl:id>
        <rdfs:label>Imprinted Expression Pattern</rdfs:label>
        <skos:notation>P00000115</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000116 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000116">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000115"/>
        <oboInOwl:id>P00000116</oboInOwl:id>
        <rdfs:label>Extra-Embryonic Lineage Imprinted Expression</rdfs:label>
        <skos:notation>P00000116</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000117 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000117">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000115"/>
        <oboInOwl:id>P00000117</oboInOwl:id>
        <rdfs:label>Multi-Lineage Imprinted Expression</rdfs:label>
        <skos:notation>P00000117</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000118 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000118">
        <rdfs:subClassOf rdf:resource="http://www.w3.org/2002/07/owl#Thing"/>
        <oboInOwl:hasDbXref>http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C48186</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000118</oboInOwl:id>
        <rdfs:label>Epigenetic Silencing</rdfs:label>
        <skos:definition>[NCIt Definition]: This process is initiated by the formation of heterochromatin which ultimately leads to transcriptional inactivation or silencing. Once formed, heterochromatin can be inherited through many cell divisions, including meiosis. Inappropriate gain of heterochromatin structure, such as the inactivation of tumor suppressor genes by DNA hyper-methylation at their promoter regions, can be directly linked to carcinogenesis.</skos:definition>
        <skos:exactMatch rdf:resource="http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C48186"/>
        <skos:notation>P00000118</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000119 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000119">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000118"/>
        <oboInOwl:hasDbXref>http://localhost/plosthes.2017-1#9955</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://purl.bioontology.org/ontology/MESH/D020868</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0016458</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://www.bootstrep.eu/ontology/GRO#GeneSilencing</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000119</oboInOwl:id>
        <rdfs:label>Gene Silencing</rdfs:label>
        <skos:altLabel>long-term maintenance of gene inactivation</skos:altLabel>
        <skos:definition>[GO Definition]: This is a rather broad grouping term. While it was originally defined for long-term, heritable, epigenetic effects, short term effects on expression mediated by RNA are also frequently referred to as gene silencing, and are grouped under this class. Any process carried out at the cellular level that results in either long-term transcriptional repression via action on chromatin structure or RNA mediated, post-transcriptional repression of gene expression.</skos:definition>
        <skos:notation>P00000119</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000120 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000120">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000119"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0016441</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000120</oboInOwl:id>
        <rdfs:label>Post-Transcriptional Gene Silencing</rdfs:label>
        <skos:altLabel>PTGS</skos:altLabel>
        <skos:altLabel>cosuppression</skos:altLabel>
        <skos:altLabel>post-transcriptional gene silencing</skos:altLabel>
        <skos:altLabel>quelling</skos:altLabel>
        <skos:definition>[GO Definition]: The inactivation of gene expression by a posttranscriptional mechanism.</skos:definition>
        <skos:notation>P00000120</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000121 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000121">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000119"/>
        <oboInOwl:id>P00000121</oboInOwl:id>
        <rdfs:label>Position Effect Variegation</rdfs:label>
        <skos:altLabel>position-effect variegation</skos:altLabel>
        <skos:notation>P00000121</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000369 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000369">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000036"/>
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000043"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0044027</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000369</oboInOwl:id>
        <rdfs:label>Hypermethylation of CpG Island</rdfs:label>
        <skos:altLabel>DNA hypermethylation of CpG island</skos:altLabel>
        <skos:definition>[GO Definition]: An increase in the epigenetic methylation of cytosine and adenosine residues in a CpG island in DNA. CpG islands are genomic regions that contain a high frequency of the CG dinucleotide and are often associated with the transcription start site of genes.</skos:definition>
        <skos:notation>P00000369</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000370 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000370">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000034"/>
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000043"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0044029</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000370</oboInOwl:id>
        <rdfs:label>Hypomethylation of CpG Island</rdfs:label>
        <skos:altLabel>DNA hypomethylation of CpG island</skos:altLabel>
        <skos:definition>[GO Definition]: An decrease in the epigenetic methylation of cytosine and adenosine residues in a CpG island in DNA. CpG islands are genomic regions that contain a high frequency of the CG dinucleotide and are often associated with the transcription start site of genes.</skos:definition>
        <skos:notation>P00000370</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000372 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000372">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000081"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0043968</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/SO_0002142</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000372</oboInOwl:id>
        <rdfs:label>Histone H2A Acetylation</rdfs:label>
        <skos:altLabel>H2A Acetylation</skos:altLabel>
        <skos:altLabel>H2Aac</skos:altLabel>
        <skos:altLabel>histone 2A acetylation site</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000372"/>
        <skos:definition>[GO Definition]: The modification of histone H2A by the addition of an acetyl group.</skos:definition>
        <skos:notation>P00000372</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000373 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000373">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000081"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0043969</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/SO_0002143</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000373</oboInOwl:id>
        <rdfs:label>Histone H2B Acetylation</rdfs:label>
        <skos:altLabel>H2Bac</skos:altLabel>
        <skos:altLabel>histone 2B acetylation site</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000373"/>
        <skos:definition>[SO Definition]: A histone 2B modification where the modification is the acetylation of the residue.</skos:definition>
        <skos:notation>P00000373</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000374 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000374">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000081"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0043966</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/SO_0001973</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000374</oboInOwl:id>
        <rdfs:comment>AcH3</rdfs:comment>
        <rdfs:label>Histone H3 Acetylation</rdfs:label>
        <skos:altLabel>H3ac</skos:altLabel>
        <skos:altLabel>histone 3 acetylation site</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000374"/>
        <skos:definition>[SO Definition]: A histone 3 modification where the modification is the acetylation of the residue.</skos:definition>
        <skos:notation>P00000374</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000375 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000375">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000081"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0043967</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/SO_0001972</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000375</oboInOwl:id>
        <rdfs:label>Histone H4 Acetylation</rdfs:label>
        <skos:altLabel>H4ac</skos:altLabel>
        <skos:altLabel>histone 4 acetylation site</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000375"/>
        <skos:definition>[SO Definition]: A histone 4 modification where the modification is the acetylation of the residue.</skos:definition>
        <skos:notation>P00000375</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000376 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000376">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000081"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0070577</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000376</oboInOwl:id>
        <rdfs:label>Lysine-Acetylated Histone Binding</rdfs:label>
        <skos:definition>[GO Definition]: Interacting selectively and non-covalently with a histone in which a lysine residue has been modified by acetylation. [ GOC:rl http://www.ncbi.nlm.nih.gov/pubmed/17582821 GOC:BHF GOC:mah ]</skos:definition>
        <skos:notation>P00000376</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000377 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000377">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000372"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0043977</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/SO_0001938</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000377</oboInOwl:id>
        <rdfs:label>H2AK5 Acetylation</rdfs:label>
        <skos:altLabel>H2AK5 acetylation site</skos:altLabel>
        <skos:altLabel>H2AK5ac</skos:altLabel>
        <skos:altLabel>histone H2A acetylation at K5</skos:altLabel>
        <skos:altLabel>histone H2A-K5 acetylation</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000377"/>
        <skos:definition>[GO Definition]: The modification of histone H2A by the addition of an acetyl group to a lysine residue at position 5 of the histone. Source: GOC:jl</skos:definition>
        <skos:notation>P00000377</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000378 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000378">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000372"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0043978</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/SO_0001944</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000378</oboInOwl:id>
        <rdfs:label>H2AK9 Acetylation</rdfs:label>
        <skos:altLabel>H2AK9 acetylation site</skos:altLabel>
        <skos:altLabel>H2AK9ac</skos:altLabel>
        <skos:altLabel>histone H2A acetylation at K9</skos:altLabel>
        <skos:altLabel>histone H2A-K9 acetylation</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000378"/>
        <skos:definition>[GO Definition]: The modification of histone H2A by the addition of an acetyl group to a lysine residue at position 9 of the histone. [ GOC:jl ]</skos:definition>
        <skos:notation>P00000378</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000379 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000379">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000372"/>
        <oboInOwl:id>P00000379</oboInOwl:id>
        <rdfs:label>Histone H2A.X Acetylation</rdfs:label>
        <skos:altLabel>H2A.Xac</skos:altLabel>
        <skos:altLabel>H2AXac</skos:altLabel>
        <skos:altLabel>Histone H2A.X acetylation</skos:altLabel>
        <skos:altLabel>histone 2AX acetylation site</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000379"/>
        <skos:definition>A histone 2AX modification where the modification is the acetylation of the residue.</skos:definition>
        <skos:notation>P00000379</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000380 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000380">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000372"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/SO_0002144</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000380</oboInOwl:id>
        <rdfs:label>Histone H2A.Z Acetylation</rdfs:label>
        <skos:altLabel>H2A.Zac</skos:altLabel>
        <skos:altLabel>H2AZac</skos:altLabel>
        <skos:altLabel>histone 2AZ acetylation site</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000380"/>
        <skos:definition>[SO Definition]: A histone 2AZ modification where the modification is the acetylation of the residue.</skos:definition>
        <skos:notation>P00000380</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000381 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000381">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000379"/>
        <oboInOwl:id>P00000381</oboInOwl:id>
        <rdfs:label>H2A.XK5 Acetylation</rdfs:label>
        <skos:altLabel>H2A.XK5ac</skos:altLabel>
        <skos:altLabel>H2AXK5 acetylation site</skos:altLabel>
        <skos:altLabel>H2AXK5ac</skos:altLabel>
        <skos:altLabel>histone H2A.X acetylation at K5</skos:altLabel>
        <skos:altLabel>histone H2A.X-K5 acetylation</skos:altLabel>
        <skos:altLabel>histone H2AX acetylation at K5</skos:altLabel>
        <skos:altLabel>histone H2AX-K5 acetylation</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000381"/>
        <skos:definition>A kind of histone modification site, whereby the 5th residue (a lysine), from the start of the H2AX histone protein is acetylated.</skos:definition>
        <skos:notation>P00000381</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000382 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000382">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000380"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/SO_0002145</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000382</oboInOwl:id>
        <rdfs:label>H2A.ZK4 Acetylation</rdfs:label>
        <skos:altLabel>H2A.ZK4ac</skos:altLabel>
        <skos:altLabel>H2AZK4 acetylation site</skos:altLabel>
        <skos:altLabel>H2AZK4ac</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000382"/>
        <skos:definition>[SO Definition]: A kind of histone modification site, whereby the 4th residue (a lysine), from the start of the H2AZ histone protein is acetylated.</skos:definition>
        <skos:notation>P00000382</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000383 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000383">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000380"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/SO_0002146</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000383</oboInOwl:id>
        <rdfs:label>H2A.ZK7 Acetylation</rdfs:label>
        <skos:altLabel>H2A.ZK7ac</skos:altLabel>
        <skos:altLabel>H2AZK7 acetylation site</skos:altLabel>
        <skos:altLabel>H2AZK7ac</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000383"/>
        <skos:definition>[SO Definition]: A kind of histone modification site, whereby the 7th residue (a lysine), from the start of the H2AZ histone protein is acetylated.</skos:definition>
        <skos:notation>P00000383</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000384 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000384">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000380"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/SO_0002147</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000384</oboInOwl:id>
        <rdfs:label>H2A.ZK11 Acetylation</rdfs:label>
        <skos:altLabel>H2A.ZK11ac</skos:altLabel>
        <skos:altLabel>H2AZK11 acetylation site</skos:altLabel>
        <skos:altLabel>H2AZK11ac</skos:altLabel>
        <skos:altLabel>histone H2AZ acetylation at K11</skos:altLabel>
        <skos:altLabel>histone H2AZ-K11 acetylation</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000384"/>
        <skos:definition>[SO Definition]: A kind of histone modification site, whereby the 11th residue (a lysine), from the start of the H2AZ histone protein is acetylated.</skos:definition>
        <skos:notation>P00000384</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000385 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000385">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000380"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/SO_0002148</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000385</oboInOwl:id>
        <rdfs:label>H2A.ZK13 Acetylation</rdfs:label>
        <skos:altLabel>H2A.ZK13ac</skos:altLabel>
        <skos:altLabel>H2AZK13 acetylation site</skos:altLabel>
        <skos:altLabel>H2AZK13ac</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000385"/>
        <skos:definition>[SO Definition]: A kind of histone modification site, whereby the 13th residue (a lysine), from the start of the H2AZ histone protein is acetylated.</skos:definition>
        <skos:notation>P00000385</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000386 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000386">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000380"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/SO_0002149</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000386</oboInOwl:id>
        <rdfs:label>H2A.ZK15 Acetylation</rdfs:label>
        <skos:altLabel>H2A.ZK15ac</skos:altLabel>
        <skos:altLabel>H2AZK15 acetylation site</skos:altLabel>
        <skos:altLabel>H2AZK15ac</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000386"/>
        <skos:definition>[SO Definition]: A kind of histone modification site, whereby the 15th residue (a lysine), from the start of the H2AZ histone protein is acetylated.</skos:definition>
        <skos:notation>P00000386</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000387 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000387">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000373"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0043979</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/SO_0002164</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000387</oboInOwl:id>
        <rdfs:label>H2BK5 Acetylation</rdfs:label>
        <skos:altLabel>H2BK5 acetylation site</skos:altLabel>
        <skos:altLabel>H2BK5ac</skos:altLabel>
        <skos:altLabel>histone H2B acetylation at K5</skos:altLabel>
        <skos:altLabel>histone H2B-K5 acetylation</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000387"/>
        <skos:definition>[SO Definition]: A kind of histone modification site, whereby the 5th residue (a lysine), from the start of the H2B histone protein is acetylated.</skos:definition>
        <skos:notation>P00000387</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000388 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000388">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000373"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0043980</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/SO_0001937</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000388</oboInOwl:id>
        <rdfs:label>H2BK12 Acetylation</rdfs:label>
        <skos:altLabel>H2BK12 acetylation site</skos:altLabel>
        <skos:altLabel>H2BK12ac</skos:altLabel>
        <skos:altLabel>histone H2B acetylation at K12</skos:altLabel>
        <skos:altLabel>histone H2B-K12 acetylation</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000388"/>
        <skos:definition>[SO Definition]: A kind of histone modification site, whereby the 12th residue (a lysine), from the start of the H2B protein is acetylated.</skos:definition>
        <skos:notation>P00000388</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000389 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000389">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000373"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/SO_0001946</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000389</oboInOwl:id>
        <rdfs:label>H2BK15 Acetylation</rdfs:label>
        <skos:altLabel>H2BK15 acetylation site</skos:altLabel>
        <skos:altLabel>H2BK15ac</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000389"/>
        <skos:definition>[SO Definition]: A kind of histone modification site, whereby the 15th residue (a lysine), from the start of the H2B histone protein is acetylated.</skos:definition>
        <skos:notation>P00000389</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000390 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000390">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000373"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/SO_0001942</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000390</oboInOwl:id>
        <rdfs:label>H2BK20 Acetylation</rdfs:label>
        <skos:altLabel>H2BK20 acetylation site</skos:altLabel>
        <skos:altLabel>H2BK20ac</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000390"/>
        <skos:definition>A kind of histone modification site, whereby the 20th residue (a lysine), from the start of the H2B histone protein is acetylated.</skos:definition>
        <skos:notation>P00000390</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000391 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000391">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000373"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/SO_0001940</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000391</oboInOwl:id>
        <rdfs:label>H2BK120 Acetylation</rdfs:label>
        <skos:altLabel>H2BK120 acetylation site</skos:altLabel>
        <skos:altLabel>H2BK120ac</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000391"/>
        <skos:definition>[SO Definition]: A kind of histone modification site, whereby the 120th residue (a lysine), from the start of the H2B histone protein is acetylated.</skos:definition>
        <skos:notation>P00000391</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000392 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000392">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000374"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0043973</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/SO_0001943</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000392</oboInOwl:id>
        <rdfs:label>H3K4 Acetylation</rdfs:label>
        <skos:altLabel>H3K4 acetylation site</skos:altLabel>
        <skos:altLabel>H3K4ac</skos:altLabel>
        <skos:altLabel>histone H3 acetylation at K4</skos:altLabel>
        <skos:altLabel>histone H3-K4 acetylation</skos:altLabel>
        <skos:altLabel>histone H3K4 acetylation</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000392"/>
        <skos:definition>[SO Definition]: A kind of histone modification site, whereby the 4th residue (a lysine), from the start of the H3 histone protein is acetylated.</skos:definition>
        <skos:notation>P00000392</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000393 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000393">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000374"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0043970</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/SO_0001703</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000393</oboInOwl:id>
        <rdfs:label>H3K9 Acetylation</rdfs:label>
        <skos:altLabel>H3K9 acetylation site</skos:altLabel>
        <skos:altLabel>H3K9ac</skos:altLabel>
        <skos:altLabel>histone H3 acetylation at K9</skos:altLabel>
        <skos:altLabel>histone H3-K9 acetylation</skos:altLabel>
        <skos:altLabel>histone H3K9 acetylation</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000393"/>
        <skos:definition>[SO Definition]: A kind of histone modification site, whereby the 9th residue (a lysine), from the start of the H3 histone protein is acetylated.</skos:definition>
        <skos:notation>P00000393</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000394 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000394">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000374"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0044154</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/SO_0001704</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000394</oboInOwl:id>
        <rdfs:label>H3K14 Acetylation</rdfs:label>
        <skos:altLabel>H3K14 acetylation site</skos:altLabel>
        <skos:altLabel>H3K14ac</skos:altLabel>
        <skos:altLabel>histone H3 acetylation at K14</skos:altLabel>
        <skos:altLabel>histone H3-K14 acetylation</skos:altLabel>
        <skos:altLabel>histone H3K14 acetylation</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000394"/>
        <skos:definition>[SO Definition]: A kind of histone modification site, whereby the 14th residue (a lysine), from the start of the H3 histone protein is acetylated.</skos:definition>
        <skos:notation>P00000394</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000395 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000395">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000374"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0043971</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/SO_0001718</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000395</oboInOwl:id>
        <rdfs:label>H3K18 Acetylation</rdfs:label>
        <skos:altLabel>H3K18 acetylation site</skos:altLabel>
        <skos:altLabel>H3K18ac</skos:altLabel>
        <skos:altLabel>histone H3 acetylation at K18</skos:altLabel>
        <skos:altLabel>histone H3-K18 acetylation</skos:altLabel>
        <skos:altLabel>histone H3K18 acetylation</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000395"/>
        <skos:definition>[SO Definition]: A kind of histone modification site, whereby the 18th residue (a lysine), from the start of the H3 histone protein is acetylated.</skos:definition>
        <skos:notation>P00000395</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000396 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000396">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000374"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0043972</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/SO_0001719</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000396</oboInOwl:id>
        <rdfs:label>H3K23 Acetylation</rdfs:label>
        <skos:altLabel>H3K23 acetylation site</skos:altLabel>
        <skos:altLabel>H3K23ac</skos:altLabel>
        <skos:altLabel>histone H3 acetylation at K23</skos:altLabel>
        <skos:altLabel>histone H3-K23 acetylation</skos:altLabel>
        <skos:altLabel>histone H3K23 acetylation</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000396"/>
        <skos:definition>[SO Definition]: A kind of histone modification, whereby the 23rd residue (a lysine), from the start of the H3 histone protein is acetylated.</skos:definition>
        <skos:notation>P00000396</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000397 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000397">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000374"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0043974</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/SO_0002049</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000397</oboInOwl:id>
        <rdfs:label>H3K27 Acetylation</rdfs:label>
        <skos:altLabel>H3K27 acetylation site</skos:altLabel>
        <skos:altLabel>H3K27ac</skos:altLabel>
        <skos:altLabel>histone H3 acetylation at K27</skos:altLabel>
        <skos:altLabel>histone H3-K27 acetylation</skos:altLabel>
        <skos:altLabel>histone H3K27 acetylation</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000397"/>
        <skos:definition>[SO Definition]: A kind of histone modification site, whereby the 27th residue (a lysine), from the start of the H3 histone protein is acetylated.</skos:definition>
        <skos:notation>P00000397</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000398 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000398">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000374"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0043975</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/SO_0001936</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000398</oboInOwl:id>
        <rdfs:label>H3K36 Acetylation</rdfs:label>
        <skos:altLabel>H3K36 acetylation site</skos:altLabel>
        <skos:altLabel>H3K36ac</skos:altLabel>
        <skos:altLabel>histone H3 acetylation at K36</skos:altLabel>
        <skos:altLabel>histone H3-K36 acetylation</skos:altLabel>
        <skos:altLabel>histone H3K36 acetylation</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000398"/>
        <skos:definition>[SO Definition]: A kind of histone modification site, whereby the 36th residue (a lysine), from the start of the H3 histone protein is acetylated.</skos:definition>
        <skos:notation>P00000398</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000399 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000399">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000374"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0097043</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/SO_0001945</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000399</oboInOwl:id>
        <rdfs:label>H3K56 Acetylation</rdfs:label>
        <skos:altLabel>H3K56 acetylation site</skos:altLabel>
        <skos:altLabel>H3K56ac</skos:altLabel>
        <skos:altLabel>histone H3 acetylation at K56</skos:altLabel>
        <skos:altLabel>histone H3-K56 acetylation</skos:altLabel>
        <skos:altLabel>histone H3K56 acetylation</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000399"/>
        <skos:definition>[SO Definition]: A kind of histone modification site, whereby the 56th residue (a lysine), from the start of the H3 histone protein is acetylated.</skos:definition>
        <skos:notation>P00000399</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000400 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000400">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000374"/>
        <oboInOwl:id>P00000400</oboInOwl:id>
        <rdfs:label>H3K72 Acetylation</rdfs:label>
        <skos:altLabel>H3K72 acetylation site</skos:altLabel>
        <skos:altLabel>H3K72ac</skos:altLabel>
        <skos:altLabel>histone H3 acetylation at K72</skos:altLabel>
        <skos:altLabel>histone H3-K72 acetylation</skos:altLabel>
        <skos:altLabel>histone H3K72 acetylation</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000400"/>
        <skos:definition>A kind of histone modification site, whereby the 72nd residue (a lysine), from the start of the H3 histone protein is acetylated.</skos:definition>
        <skos:notation>P00000400</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000401 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000401">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000374"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0043976</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000401</oboInOwl:id>
        <rdfs:label>H3K79 Acetylation</rdfs:label>
        <skos:altLabel>histone H3 acetylation at K79</skos:altLabel>
        <skos:altLabel>histone H3-K79 acetylation</skos:altLabel>
        <skos:altLabel>histone H3K79 acetylation</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000401"/>
        <skos:definition>[GO Definition]: The modification of histone H3 by the addition of an acetyl group to a lysine residue at position 79 of the histone. [ GOC:jl ]</skos:definition>
        <skos:notation>P00000401</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000402 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000402">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000374"/>
        <oboInOwl:id>P00000402</oboInOwl:id>
        <rdfs:label>H3R18 Acetylation</rdfs:label>
        <skos:altLabel>H3R18 acetylation site</skos:altLabel>
        <skos:altLabel>H3R18ac</skos:altLabel>
        <skos:altLabel>histone H3 acetylation at R18</skos:altLabel>
        <skos:altLabel>histone H3-R18 acetylation</skos:altLabel>
        <skos:altLabel>histone H3R18 acetylation</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000402"/>
        <skos:definition>A kind of histone modification site, whereby the 18th residue (an arginine), from the start of the H3 histone protein is acetylated.&quot;</skos:definition>
        <skos:notation>P00000402</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000403 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000403">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000375"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0043981</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/SO_0001730</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000403</oboInOwl:id>
        <rdfs:label>H4K5 Acetylation</rdfs:label>
        <skos:altLabel>H4K5 acetylation site</skos:altLabel>
        <skos:altLabel>H4K5ac</skos:altLabel>
        <skos:altLabel>histone H4 acetylation at K5</skos:altLabel>
        <skos:altLabel>histone H4-K5 acetylation</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000403"/>
        <skos:definition>[SO Definition]: A kind of histone modification site, whereby the 5th residue (a lysine), from the start of the H4 histone protein is acetylated.</skos:definition>
        <skos:notation>P00000403</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000404 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000404">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000375"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0043982</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/SO_0001731</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000404</oboInOwl:id>
        <rdfs:label>H4K8 Acetylation</rdfs:label>
        <skos:altLabel>H4K8 acetylation site</skos:altLabel>
        <skos:altLabel>H4K8ac</skos:altLabel>
        <skos:altLabel>histone H4 acetylation at K8</skos:altLabel>
        <skos:altLabel>histone H4-K8 acetylation</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000404"/>
        <skos:definition>[SO Definition]: A kind of histone modification site, whereby the 8th residue (a lysine), from the start of the H4 histone protein is acetylated.</skos:definition>
        <skos:notation>P00000404</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000405 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000405">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000375"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0043983</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/SO_0001939</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000405</oboInOwl:id>
        <rdfs:label>H4K12 Acetylation</rdfs:label>
        <skos:altLabel>H4K12 acetylation site</skos:altLabel>
        <skos:altLabel>H4K12ac</skos:altLabel>
        <skos:altLabel>histone H4 acetylation at K12</skos:altLabel>
        <skos:altLabel>histone H4-K12 acetylation</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000405"/>
        <skos:definition>[SO Definition]: A kind of histone modification site, whereby the 12th residue (a lysine), from the start of the H4 histone protein is acetylated.</skos:definition>
        <skos:notation>P00000405</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000406 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000406">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000375"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0043984</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/SO_0001729</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000406</oboInOwl:id>
        <rdfs:label>H4K16 Acetylation</rdfs:label>
        <skos:altLabel>H4K16 acetylation site</skos:altLabel>
        <skos:altLabel>H4K16ac</skos:altLabel>
        <skos:altLabel>histone H4 acetylation at K16</skos:altLabel>
        <skos:altLabel>histone H4-K16 acetylation</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000406"/>
        <skos:definition>[SO Definition]: A kind of histone modification site, whereby the 16th residue (a lysine), from the start of the H4 histone protein is acetylated.</skos:definition>
        <skos:notation>P00000406</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000407 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000407">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000375"/>
        <oboInOwl:id>P00000407</oboInOwl:id>
        <rdfs:label>H4K20 Acetylation</rdfs:label>
        <skos:altLabel>H4K20 acetylation site</skos:altLabel>
        <skos:altLabel>H4K20ac</skos:altLabel>
        <skos:altLabel>histone H4 acetylation at K20</skos:altLabel>
        <skos:altLabel>histone H4-K20 acetylation</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000407"/>
        <skos:definition>A kind of histone modification site, whereby the 20th residue (a lysine), from the start of the H4 histone protein is acetylated.</skos:definition>
        <skos:notation>P00000407</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000408 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000408">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000375"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/SO_0001941</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000408</oboInOwl:id>
        <rdfs:label>H4K91 Acetylation</rdfs:label>
        <skos:altLabel>H4K91 acetylation site</skos:altLabel>
        <skos:altLabel>H4K91ac</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000408"/>
        <skos:definition>[SO Definition]: A kind of histone modification site, whereby the 91st residue (a lysine), from the start of the H4 histone protein is acetylated.</skos:definition>
        <skos:notation>P00000408</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000409 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000409">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000094"/>
        <oboInOwl:id>P00000409</oboInOwl:id>
        <rdfs:label>Histone H2A ADP-Ribosylation</rdfs:label>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000409"/>
        <skos:definition>A histone H2A modification where the modification is the ADP-ribosylation of the residue.</skos:definition>
        <skos:notation>P00000409</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000410 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000410">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000094"/>
        <oboInOwl:id>P00000410</oboInOwl:id>
        <rdfs:label>Histone H2B ADP-Ribosylation</rdfs:label>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000410"/>
        <skos:definition>A histone H2B modification where the modification is the ADP-ribosylation of the residue.</skos:definition>
        <skos:notation>P00000410</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000411 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000411">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000094"/>
        <oboInOwl:id>P00000411</oboInOwl:id>
        <rdfs:label>Histone H3 ADP-Ribosylation</rdfs:label>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000411"/>
        <skos:definition>A histone H3 modification where the modification is the ADP-ribosylation of the residue.</skos:definition>
        <skos:notation>P00000411</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000412 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000412">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000094"/>
        <oboInOwl:id>P00000412</oboInOwl:id>
        <rdfs:label>Histone H4 ADP-Ribosylation</rdfs:label>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000412"/>
        <skos:definition>A histone H4 modification where the modification is the ADP-ribosylation of the residue.</skos:definition>
        <skos:notation>P00000412</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000413 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000413">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000409"/>
        <oboInOwl:hasDbXref>http://www.iiserpune.ac.in/~coee/histome/ptm_sp.php?ptm_sp=H2AK13ar</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000413</oboInOwl:id>
        <rdfs:label>H2AK13 ADP-Ribosylation</rdfs:label>
        <skos:altLabel>H2AK13ar</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000413"/>
        <skos:definition>PARP1 is shown to mediate H2A K13 ADP-ribosylation in in vitro conditions. This site is also confirmed by mass spectrometry (PMID: 20525793).</skos:definition>
        <skos:notation>P00000413</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000414 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000414">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000410"/>
        <oboInOwl:hasDbXref>http://www.iiserpune.ac.in/~coee/histome/ptm_sp.php?ptm_sp=H2BK30ar</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000414</oboInOwl:id>
        <rdfs:label>H2BK30 ADP-Ribosylation</rdfs:label>
        <skos:altLabel>H2BK30ar</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000414"/>
        <skos:definition>PARP1 is shown to mediate H2B K30 ADP-ribosylation in in vitro conditions. This site is also confirmed by mass spectrometry (PMID: 20525793).</skos:definition>
        <skos:notation>P00000414</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000415 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000415">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000411"/>
        <oboInOwl:id>P00000415</oboInOwl:id>
        <rdfs:label>H3K27 ADP-Ribosylation</rdfs:label>
        <skos:altLabel>H3K27ar</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000415"/>
        <skos:definition>A kind of histone modification, whereby the 27th residue (a lysine), from the start of the H3 histone protein is ADP-ribosylated.</skos:definition>
        <skos:notation>P00000415</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000416 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000416">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000411"/>
        <oboInOwl:id>P00000416</oboInOwl:id>
        <rdfs:label>H3K37 ADP-Ribosylation</rdfs:label>
        <skos:altLabel>K3H37ar</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000416"/>
        <skos:definition>A kind of histone modification, whereby the 37th residue (a lysine), from the start of the H3 histone protein is ADP-ribosylated.</skos:definition>
        <skos:notation>P00000416</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000417 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000417">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000412"/>
        <oboInOwl:hasDbXref>http://www.iiserpune.ac.in/~coee/histome/ptm_sp.php?ptm_sp=H4K16ar</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000417</oboInOwl:id>
        <rdfs:label>H4K16 ADP-Ribosylation</rdfs:label>
        <skos:altLabel>H4K16ar</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000417"/>
        <skos:definition>Different acetylation patterns on histone H4 are subjected to binding of different number of ADP-ribosyl units. Poly ADP ribosylation of histone H4 plays an important role during chromatin replication (PMID: 2387872). Important in shuttling of histones in and out of DNA (PMID: 1326536). It s also implicated in DNA excision repair (PMID: 1429884).</skos:definition>
        <skos:notation>P00000417</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000418 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000418">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000091"/>
        <oboInOwl:id>P00000418</oboInOwl:id>
        <rdfs:label>Histone H2A Biotinylation</rdfs:label>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000418"/>
        <skos:definition>The modification of histone H2A by the addition of a biotinyl group.</skos:definition>
        <skos:notation>P00000418</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000419 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000419">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000418"/>
        <oboInOwl:hasDbXref>http://www.iiserpune.ac.in/~coee/histome/ptm_sp.php?ptm_sp=H2AK9bio</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000419</oboInOwl:id>
        <rdfs:label>H2AK9 Biotinylation</rdfs:label>
        <skos:altLabel>H2AK9bio</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000419"/>
        <skos:definition>Biotinidase is shown to mediate H2A K9 biotinylation in in vitro conditions. This site is also confirmed by mass spectrometry (PMID: 16772434).</skos:definition>
        <skos:notation>P00000419</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000420 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000420">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000418"/>
        <oboInOwl:hasDbXref>http://www.iiserpune.ac.in/~coee/histome/ptm_sp.php?ptm_sp=H2AK13bio</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000420</oboInOwl:id>
        <rdfs:label>H2AK13 Biotinylation</rdfs:label>
        <skos:altLabel>H2AK13bio</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000420"/>
        <skos:definition>Biotinidase is shown to mediate H2A K13 biotinylation in in vitro conditions. This site is also confirmed by mass spectrometry (PMID: 16772434).</skos:definition>
        <skos:notation>P00000420</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000421 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000421">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000418"/>
        <oboInOwl:hasDbXref>http://www.iiserpune.ac.in/~coee/histome/ptm_sp.php?ptm_sp=H2AK125bio</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000421</oboInOwl:id>
        <rdfs:label>H2AK125 Biotinylation</rdfs:label>
        <skos:altLabel>H2AK125bio</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000421"/>
        <skos:definition>Substitution of neighbouring lysines eg: K127 and K129 causes a considerable decrease in the biotinylation at K125 (PMID: 16109483). Site also confirmed by Mass Spectrometry (PMID: 16772434).</skos:definition>
        <skos:notation>P00000421</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000422 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000422">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000418"/>
        <oboInOwl:hasDbXref>http://www.iiserpune.ac.in/~coee/histome/ptm_sp.php?ptm_sp=H2AK127bio</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000422</oboInOwl:id>
        <rdfs:label>H2AK127 Biotinylation</rdfs:label>
        <skos:altLabel>H2AK127bio</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000422"/>
        <skos:definition>Substitution of neighbouring lysines eg: K125 and K129 causes a considerable decrease in the biotinylation at K127 (PMID: 16109483). Site also confirmed by Mass Spectrometry (PMID: 16772434).</skos:definition>
        <skos:notation>P00000422</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000423 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000423">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000418"/>
        <oboInOwl:hasDbXref>http://www.iiserpune.ac.in/~coee/histome/ptm_sp.php?ptm_sp=H2AK129bio</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000423</oboInOwl:id>
        <rdfs:label>H2AK129 Biotinylation</rdfs:label>
        <skos:altLabel>H2AK129bio</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000423"/>
        <skos:definition>K129 is a sturdy site for biotinylation since substitution of neighbouring lysines e.g. K125 and K127 did not significantly affect biotinylation at his site (PMID: 16109483). Site also confirmed by Mass Spectrometry (PMID: 16772434).</skos:definition>
        <skos:notation>P00000423</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000424 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000424">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000091"/>
        <oboInOwl:id>P00000424</oboInOwl:id>
        <rdfs:label>Histone H3 Biotinylation</rdfs:label>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000424"/>
        <skos:definition>The modification of histone H3 by the addition of a biotinyl group.</skos:definition>
        <skos:notation>P00000424</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000425 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000425">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000424"/>
        <oboInOwl:id>P00000425</oboInOwl:id>
        <rdfs:label>H3K4 Biotinylation</rdfs:label>
        <skos:altLabel>H3K4bio</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000425"/>
        <skos:definition>The modification of histone H3 by the addition of an biotinyl group to a lysine residue at position 4 of the histone.</skos:definition>
        <skos:notation>P00000425</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000426 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000426">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000424"/>
        <oboInOwl:hasDbXref>http://www.iiserpune.ac.in/~coee/histome/ptm_sp.php?ptm_sp=H3K9bio</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000426</oboInOwl:id>
        <rdfs:label>H3K9 Biotinylation</rdfs:label>
        <skos:altLabel>H3K9bio</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000426"/>
        <skos:definition>Holocarboxylase synthetase (HCS) catalyses the biotinylation of H3K9 (PMID: 20688500).</skos:definition>
        <skos:notation>P00000426</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000427 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000427">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000424"/>
        <oboInOwl:hasDbXref>http://www.iiserpune.ac.in/~coee/histome/ptm_sp.php?ptm_sp=H3K18bio</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000427</oboInOwl:id>
        <rdfs:label>H3K18 Biotinylation</rdfs:label>
        <skos:altLabel>H3K18bio</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000427"/>
        <skos:definition>Holocarboxylase synthetase (HCS) catalyses the biotinylation of H3K18 (PMID: 20688500).</skos:definition>
        <skos:notation>P00000427</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000428 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000428">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000424"/>
        <oboInOwl:id>P00000428</oboInOwl:id>
        <rdfs:label>H3K23 Biotinylation</rdfs:label>
        <skos:altLabel>H3K23bio</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000428"/>
        <skos:definition>The modification of histone H3 by the addition of an biotinyl group to a lysine residue at position 23 of the histone.</skos:definition>
        <skos:notation>P00000428</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000429 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000429">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000091"/>
        <oboInOwl:id>P00000429</oboInOwl:id>
        <rdfs:label>Histone H4 Biotinylation</rdfs:label>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000429"/>
        <skos:definition>The modification of histone H4 by the addition of a biotinyl group.</skos:definition>
        <skos:notation>P00000429</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000430 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000430">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000429"/>
        <oboInOwl:hasDbXref>http://www.iiserpune.ac.in/~coee/histome/ptm_sp.php?ptm_sp=H4K8bio</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000430</oboInOwl:id>
        <rdfs:label>H4K8 Biotinylation</rdfs:label>
        <skos:altLabel>H4K8bio</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000430"/>
        <skos:definition>H4K8 is a preferred site for biotinylation (PMID: 15153116). Biotinylated histone H4 is enriched in pericentromeric heterochromatin and it participates in gene silencing, mitotic condensation of chromatin, and the cellular response to DNA damage(PMID: 16772434).</skos:definition>
        <skos:notation>P00000430</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000431 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000431">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000429"/>
        <oboInOwl:hasDbXref>http://www.iiserpune.ac.in/~coee/histome/ptm_sp.php?ptm_sp=H4K12bio</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000431</oboInOwl:id>
        <rdfs:label>H4K12 Biotinylation</rdfs:label>
        <skos:altLabel>H4K12bio</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000431"/>
        <skos:definition>H4K12 is a preferred site for biotinylation (PMID: 15153116). Biotinylated histone H4 is enriched in pericentromeric heterochromatin, and that biotinylation of histone H4 participates in gene silencing, mitotic condensation of chromatin, and the cellular response to DNA damage(PMID: 16772434).</skos:definition>
        <skos:notation>P00000431</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000432 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000432">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000093"/>
        <oboInOwl:id>P00000432</oboInOwl:id>
        <rdfs:label>Histone H2A Citrullination</rdfs:label>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000432"/>
        <skos:definition>The modification of histone H2A by the hydrolysis of peptidyl-arginine to form peptidyl-citrulline.</skos:definition>
        <skos:notation>P00000432</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000433 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000433">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000432"/>
        <oboInOwl:hasDbXref>http://www.iiserpune.ac.in/~coee/histome/ptm_sp.php?ptm_sp=H2AR3ci</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000433</oboInOwl:id>
        <rdfs:label>H2AR3 Citrullination</rdfs:label>
        <skos:altLabel>H2AR3ci</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000433"/>
        <skos:definition>The modification of histone H2A by the hydrolysis of peptidyl-arginine to form peptidyl-citrulline at position 3 of the histone.</skos:definition>
        <skos:notation>P00000433</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000434 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000434">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000093"/>
        <oboInOwl:id>P00000434</oboInOwl:id>
        <rdfs:label>Histone H3 Citrullination</rdfs:label>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000434"/>
        <skos:definition>The modification of histone H3 by the hydrolysis of peptidyl-arginine to form peptidyl-citrulline.</skos:definition>
        <skos:notation>P00000434</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000435 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000435">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000434"/>
        <oboInOwl:hasDbXref>http://www.iiserpune.ac.in/~coee/histome/ptm_sp.php?ptm_sp=H3R2ci</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000435</oboInOwl:id>
        <rdfs:label>H3R2 Citrullination</rdfs:label>
        <skos:altLabel>H3R2ci</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000435"/>
        <skos:definition>PADI4 catalyses deimination at R2 position on H3. This activity inhibits the methylation of these residues by CARM1 thus causing transcriptional repression of target genes (PMID: 15339660).</skos:definition>
        <skos:notation>P00000435</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000436 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000436">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000434"/>
        <oboInOwl:hasDbXref>http://www.iiserpune.ac.in/~coee/histome/ptm_sp.php?ptm_sp=H3R8ci</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000436</oboInOwl:id>
        <rdfs:label>H3R8 Citrullination</rdfs:label>
        <skos:altLabel>H3R8ci</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000436"/>
        <skos:definition>H3 arginine 8 citrullination by PADI4 helps in reversing the transcriptional activation brought about by the combined efforts of nuclear hormone receptor coactivators, histone arginine methyltransferases and histone deacetylases (PMID: 15345777). H3 deimination increases rapidly in response to neutrophile activation stimuli like LPS, TNF, lipoteichoic acid, f-MLP, or hydrogen peroxide and is released to the extracellular space as part of the neutrophil response to infections (PMID: 18209087). R8 deimination prevents methylation by CARM1 thus causing transcriptional repression of target genes (PMID: 15339660).</skos:definition>
        <skos:notation>P00000436</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000437 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000437">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000434"/>
        <oboInOwl:hasDbXref>http://www.iiserpune.ac.in/~coee/histome/ptm_sp.php?ptm_sp=H3R17ci</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000437</oboInOwl:id>
        <rdfs:label>H3R17 Citrullination</rdfs:label>
        <skos:altLabel>H3R17ci</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000437"/>
        <skos:definition>H3 arginine 17 citrullination by PADI4 helps in reversing the transcriptional activation brought about by nuclear hormone receptor coactivators and histone arginine methyltransferases and histone deacetylases.(PMID: 15345777). H3 deimination increases rapidly in response to neutrophile acivation stimuli like LPS, TNF, lipoteichoic acid, f-MLP, or hydrogen peroxide and is released to the extracellular space as part of the neutrophil response to infections. (PMID: 18209087) . R17 deimination prevents methylation by CARM1 thus causing transcriptional repression of target genes (PMID: 15339660).</skos:definition>
        <skos:notation>P00000437</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000438 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000438">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000434"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0036413</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000438</oboInOwl:id>
        <rdfs:label>H3R26 Citrullination</rdfs:label>
        <skos:altLabel>H3R26ci</skos:altLabel>
        <skos:altLabel>histone H3 arginine 26 citrullination</skos:altLabel>
        <skos:altLabel>histone H3-R26 citrullination</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000438"/>
        <skos:definition>[GO Definition]: The hydrolysis of peptidyl-arginine to form peptidyl-citrulline at position 26 in histone H3. [ GOC:als http://www.ncbi.nlm.nih.gov/pubmed/22853951 ]</skos:definition>
        <skos:notation>P00000438</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000439 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000439">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000093"/>
        <oboInOwl:id>P00000439</oboInOwl:id>
        <rdfs:label>Histone H4 Citrullination</rdfs:label>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000439"/>
        <skos:definition>The modification of histone H4 by the hydrolysis of peptidyl-arginine to form peptidyl-citrulline.</skos:definition>
        <skos:notation>P00000439</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000440 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000440">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000439"/>
        <oboInOwl:hasDbXref>http://www.iiserpune.ac.in/~coee/histome/ptm_sp.php?ptm_sp=H4R3ci</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000440</oboInOwl:id>
        <rdfs:label>H4R3 Citrullination</rdfs:label>
        <skos:altLabel>H4R3ci</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000440"/>
        <skos:definition>H4R3 methylation is converted to citrulline by PADI4 (PMID: 15345777).</skos:definition>
        <skos:notation>P00000440</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000441 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000441">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000080"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0033169</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000441</oboInOwl:id>
        <rdfs:label>Histone H3K9 Demethylation</rdfs:label>
        <skos:definition>[GO Definition]: The modification of histone H3 by the removal of a methyl group from lysine at position 9 of the histone.</skos:definition>
        <skos:notation>P00000441</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000442 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000442">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000069"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0000412</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000442</oboInOwl:id>
        <rdfs:label>Histone Peptidyl-Prolyl Isomerization</rdfs:label>
        <skos:altLabel>histone proline isomerization</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000442"/>
        <skos:definition>[GO Definition]: The modification of a histone by cis-trans isomerization of a proline residue. [ GOC:krc ]</skos:definition>
        <skos:notation>P00000442</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000443 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000443">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000442"/>
        <oboInOwl:id>P00000443</oboInOwl:id>
        <rdfs:label>Histone 3 Peptidyl-Prolyl Isomerization</rdfs:label>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000443"/>
        <skos:definition>The modification of a histone H3 by cis-trans isomerization of a proline residue.</skos:definition>
        <skos:notation>P00000443</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000444 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000444">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000443"/>
        <oboInOwl:hasDbXref>https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3764789/</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000444</oboInOwl:id>
        <rdfs:label>H3P30 Peptidyl-Prolyl Isomerization</rdfs:label>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000444"/>
        <skos:definition>The modification of a histone H3 by cis-trans isomerization of a proline residue at position 30.</skos:definition>
        <skos:notation>P00000444</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000445 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000445">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000443"/>
        <oboInOwl:hasDbXref>https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3764789/</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000445</oboInOwl:id>
        <rdfs:label>H3P38 Peptidyl-Prolyl Isomerization</rdfs:label>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000445"/>
        <skos:definition>The modification of a histone H3 by cis-trans isomerization of a proline residue at position 38.</skos:definition>
        <skos:notation>P00000445</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000446 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000446">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000071"/>
        <oboInOwl:id>P00000446</oboInOwl:id>
        <rdfs:label>Histone H1 Methylation</rdfs:label>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000446"/>
        <skos:definition>The modification of histone H1 by the addition of methyl groups.</skos:definition>
        <skos:notation>P00000446</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000447 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000447">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000071"/>
        <oboInOwl:id>P00000447</oboInOwl:id>
        <rdfs:label>Histone H2A Methylation</rdfs:label>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000447"/>
        <skos:definition>The modification of histone H2A by the addition of methyl groups.</skos:definition>
        <skos:notation>P00000447</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000448 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000448">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000071"/>
        <oboInOwl:id>P00000448</oboInOwl:id>
        <rdfs:label>Histone H2B Methylation</rdfs:label>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000448"/>
        <skos:definition>The modification of histone H2B by the addition of methyl groups.</skos:definition>
        <skos:notation>P00000448</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000449 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000449">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000071"/>
        <oboInOwl:id>P00000449</oboInOwl:id>
        <rdfs:label>Histone H3 Methylation</rdfs:label>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000449"/>
        <skos:definition>The modification of histone H3 by the addition of methyl groups.</skos:definition>
        <skos:notation>P00000449</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000450 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000450">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000071"/>
        <oboInOwl:id>P00000450</oboInOwl:id>
        <rdfs:label>Histone H4 Methylation</rdfs:label>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000450"/>
        <skos:definition>The modification of histone H4 by the addition of methyl groups.</skos:definition>
        <skos:notation>P00000450</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000451 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000451">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000446"/>
        <oboInOwl:hasDbXref>http://www.iiserpune.ac.in/~coee/histome/ptm_sp.php?ptm_sp=H1K25me1</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000451</oboInOwl:id>
        <rdfs:label>H1K26 Methylation</rdfs:label>
        <skos:altLabel>H1K25 Methylation</skos:altLabel>
        <skos:altLabel>H1K25me</skos:altLabel>
        <skos:altLabel>H1K25me1</skos:altLabel>
        <skos:altLabel>H1K26me</skos:altLabel>
        <skos:altLabel>H1K26me1</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000451"/>
        <skos:definition>H1.4 K25 (reported as H1K26) methylation is mediated by Ezh2 of the Polycomb repressive complex (PRC2) which is associated with transcriptional repression and might play a role in the formation of chromatin fibre (PMID: 15099518). H1.4K26 is specifically required for the binding of Heterochromatin protein 1 (HP1), whereas simultaneous phosphorylation at S27 blocks HP1 binding (PMID: 16127177).</skos:definition>
        <skos:notation>P00000451</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000452 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000452">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000447"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0070612</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://www.iiserpune.ac.in/~coee/histome/ptm_sp.php?ptm_sp=H2AR3me2</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000452</oboInOwl:id>
        <rdfs:label>H2AR3 Methylation</rdfs:label>
        <skos:altLabel>histone methylase activity (H2A-R3 specific)</skos:altLabel>
        <skos:altLabel>histone methyltransferase activity (H2A-R3 specific)</skos:altLabel>
        <skos:altLabel>histone-arginine N-methyltransferase activity (H2A-R3 specific)</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000452"/>
        <skos:definition>H2AR3 is a preferred site for PRMT methylation activity (PMID: 18079182).</skos:definition>
        <skos:notation>P00000452</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000453 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000453">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000447"/>
        <oboInOwl:id>P00000453</oboInOwl:id>
        <rdfs:label>H2AR11 Methylation</rdfs:label>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000453"/>
        <skos:definition>The modification of histone H2A by addition of one or more methyl groups to arginine at position 11 of the histone.</skos:definition>
        <skos:notation>P00000453</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000454 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000454">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000447"/>
        <oboInOwl:id>P00000454</oboInOwl:id>
        <rdfs:label>H2AR29 Methylation</rdfs:label>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000454"/>
        <skos:definition>The modification of histone H2A by addition of one or more methyl groups to arginine at position 29 of the histone.</skos:definition>
        <skos:notation>P00000454</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000455 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000455">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000448"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/SO_0001714</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000455</oboInOwl:id>
        <rdfs:label>H2BK5 Monomethylation</rdfs:label>
        <skos:altLabel>H2BK5 mono-methylation site</skos:altLabel>
        <skos:altLabel>H2BK5 monomethylation site</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000455"/>
        <skos:definition>[SO Definition]: A kind of histone modification site, whereby the 5th residue (a lysine), from the start of the H2B protein is methylated.</skos:definition>
        <skos:notation>P00000455</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000456 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000456">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000449"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0051568</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/SO_0001734</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000456</oboInOwl:id>
        <rdfs:label>H3K4 Methylation</rdfs:label>
        <skos:altLabel>H3K4 methylation site</skos:altLabel>
        <skos:altLabel>histone H3 K4 methylation</skos:altLabel>
        <skos:altLabel>histone H3-K4 methylation</skos:altLabel>
        <skos:altLabel>histone H3K4me</skos:altLabel>
        <skos:altLabel>histone lysine H3 K4 methylation</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000456"/>
        <skos:definition>[SO Definition]: A kind of histone modification, whereby the 4th residue (a lysine), from the start of the H3 protein is methylated.</skos:definition>
        <skos:notation>P00000456</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000457 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000457">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000456"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0097692</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/SO_0001705</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000457</oboInOwl:id>
        <rdfs:label>H3K4 Monomethylation</rdfs:label>
        <skos:altLabel>H3K4 mono-methylation site</skos:altLabel>
        <skos:altLabel>H3K4me1</skos:altLabel>
        <skos:altLabel>histone H3-K4 monomethylation</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000457"/>
        <skos:definition>[SO Definition]: A kind of histone modification, whereby the 4th residue (a lysine), from the start of the H3 protein is mono-methylated.</skos:definition>
        <skos:notation>P00000457</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000458 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000458">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000456"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0044648</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/SO_0001725</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000458</oboInOwl:id>
        <rdfs:label>H3K4 Dimethylation</rdfs:label>
        <skos:altLabel>H3K4 di-methylation site</skos:altLabel>
        <skos:altLabel>H3K4Me2</skos:altLabel>
        <skos:altLabel>histone H3-K4 dimethylation</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000458"/>
        <skos:definition>[SO Definition]: A kind of histone modification site, whereby the 4th residue (a lysine), from the start of the H3 histone protein is di-methylated.</skos:definition>
        <skos:notation>P00000458</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000459 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000459">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000456"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0080182</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/SO_0001706</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000459</oboInOwl:id>
        <rdfs:label>H3K4 Trimethylation</rdfs:label>
        <skos:altLabel>H3K4 tri-methylation</skos:altLabel>
        <skos:altLabel>H3K4me3</skos:altLabel>
        <skos:altLabel>histone H3-K4 trimethylation</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000459"/>
        <skos:definition>[SO Definition]: A kind of histone modification site, whereby the 4th residue (a lysine), from the start of the H3 protein is tri-methylated.</skos:definition>
        <skos:notation>P00000459</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000460 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000460">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000449"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0051567</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/SO_0001736</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000460</oboInOwl:id>
        <rdfs:label>H3K9 Methylation</rdfs:label>
        <skos:altLabel>H3K9 methylation site</skos:altLabel>
        <skos:altLabel>histone H3 K9 methylation</skos:altLabel>
        <skos:altLabel>histone H3-K9 methylation</skos:altLabel>
        <skos:altLabel>histone H3K9me</skos:altLabel>
        <skos:altLabel>histone lysine H3 K9 methylation</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000460"/>
        <skos:definition>[SO Definition]: A kind of histone modification site, whereby the 9th residue (a lysine), from the start of the H3 histone protein is methylated.</skos:definition>
        <skos:notation>P00000460</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000461 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000461">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000460"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/SO_0001727</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000461</oboInOwl:id>
        <rdfs:label>H3K9 Monomethylation</rdfs:label>
        <skos:altLabel>H3K9 mono-methylation site</skos:altLabel>
        <skos:altLabel>H3K9Me1</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000461"/>
        <skos:definition>[SO Definition]: A kind of histone modification site, whereby the 9th residue (a lysine), from the start of the H3 histone protein is mono-methylated.</skos:definition>
        <skos:notation>P00000461</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000462 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000462">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000460"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0036123</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/SO_0001728</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000462</oboInOwl:id>
        <rdfs:label>H3K9 Dimethylation</rdfs:label>
        <skos:altLabel>H3K9 di-methylation site</skos:altLabel>
        <skos:altLabel>H3K9Me2</skos:altLabel>
        <skos:altLabel>histone H3 K9 dimethylation</skos:altLabel>
        <skos:altLabel>histone H3-K9 dimethylation</skos:altLabel>
        <skos:altLabel>histone lysine H3 K9 dimethylation</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000462"/>
        <skos:definition>[SO Definition]: A kind of histone modification site, whereby the 9th residue (a lysine), from the start of the H3 histone protein may be dimethylated.</skos:definition>
        <skos:notation>P00000462</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000463 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000463">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000460"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0036124</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/SO_0001707</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000463</oboInOwl:id>
        <rdfs:label>H3K9 Trimethylation</rdfs:label>
        <skos:altLabel>H3K9 tri-methylation site</skos:altLabel>
        <skos:altLabel>H3K9Me3</skos:altLabel>
        <skos:altLabel>histone H3-K9 trimethylation</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000463"/>
        <skos:definition>[SO Definition]: A kind of histone modification site, whereby the 9th residue (a lysine), from the start of the H3 histone protein is tri-methylated.</skos:definition>
        <skos:notation>P00000463</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000464 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000464">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000449"/>
        <oboInOwl:id>P00000464</oboInOwl:id>
        <rdfs:label>H3K20 Methylation</rdfs:label>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000464"/>
        <skos:definition>The modification of histone H3 by addition of one or more methyl groups to lysine at position 20 of the histone.</skos:definition>
        <skos:notation>P00000464</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000465 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000465">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000464"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/SO_0001935</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000465</oboInOwl:id>
        <rdfs:label>H3K20 Trimethylation</rdfs:label>
        <skos:altLabel>H3K20 trimethylation site</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000465"/>
        <skos:definition>[SO Definition]: A kind of histone modification site, whereby the 20th residue (a lysine), from the start of the H3 protein is tri-methylated.</skos:definition>
        <skos:notation>P00000465</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000466 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000466">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000449"/>
        <oboInOwl:id>P00000466</oboInOwl:id>
        <rdfs:label>H3K23 Methylation</rdfs:label>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000466"/>
        <skos:definition>The modification of histone H3 by addition of one or more methyl groups to lysine at position 23 of the histone.</skos:definition>
        <skos:notation>P00000466</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000467 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000467">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000466"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/SO_0001951</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000467</oboInOwl:id>
        <rdfs:label>H3K23 Dimethylation</rdfs:label>
        <skos:altLabel>H3K23 dimethylation site</skos:altLabel>
        <skos:altLabel>H3K23me2</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000467"/>
        <skos:definition>[SO Definition]: A kind of histone modification site, whereby the 23rd residue (a lysine), from the start of the H3 protein is di-methylated.</skos:definition>
        <skos:notation>P00000467</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000468 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000468">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000449"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0070734</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/SO_0001732</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000468</oboInOwl:id>
        <rdfs:label>H3K27 Methylation</rdfs:label>
        <skos:altLabel>H3K27 methylation site</skos:altLabel>
        <skos:altLabel>histone H3 K27 methylation</skos:altLabel>
        <skos:altLabel>histone H3-K27 methylation</skos:altLabel>
        <skos:altLabel>histone H3K27me</skos:altLabel>
        <skos:altLabel>histone lysine H3 K27 methylation</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000468"/>
        <skos:definition>[GO Definition]: The modification of histone H3 by addition of one or more methyl groups to lysine at position 27 of the histone. [ GOC:pr GOC:mah ]</skos:definition>
        <skos:notation>P00000468</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000469 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000469">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000468"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/SO_0001708</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000469</oboInOwl:id>
        <rdfs:label>H3K27 Monomethylation</rdfs:label>
        <skos:altLabel>H2K27 mono-methylation site</skos:altLabel>
        <skos:altLabel>H2K27 monomethylation site</skos:altLabel>
        <skos:altLabel>H2K27Me1</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000469"/>
        <skos:definition>[SO Definition]: A kind of histone modification site, whereby the 27th residue (a lysine), from the start of the H3 histone protein is mono-methylated.</skos:definition>
        <skos:notation>P00000469</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000470 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000470">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000468"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/SO_0001726</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000470</oboInOwl:id>
        <rdfs:label>H3K27 Dimethylation</rdfs:label>
        <skos:altLabel>H3K27 di-methylation site</skos:altLabel>
        <skos:altLabel>H3K27 dimethylation site</skos:altLabel>
        <skos:altLabel>H3K27Me2</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000470"/>
        <skos:definition>[SO Definition]: A kind of histone modification site, whereby the 27th residue (a lysine), from the start of the H3 histone protein is di-methylated.</skos:definition>
        <skos:notation>P00000470</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000471 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000471">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000468"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0098532</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/SO_0001709</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000471</oboInOwl:id>
        <rdfs:comment>histone H3 lysine 27 trimethylation</rdfs:comment>
        <rdfs:label>H3K27 Trimethylation</rdfs:label>
        <skos:altLabel>H3K27 tri-methylation site</skos:altLabel>
        <skos:altLabel>H3K27 trimethylation site</skos:altLabel>
        <skos:altLabel>H3K27Me3</skos:altLabel>
        <skos:altLabel>histone H3-K27 trimethylation</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000471"/>
        <skos:definition>[SO Definition]: A kind of histone modification site, whereby the 27th residue (a lysine), from the start of the H3 histone protein is tri-methylated.</skos:definition>
        <skos:notation>P00000471</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000472 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000472">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000449"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0010452</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/SO_0001733</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000472</oboInOwl:id>
        <rdfs:label>H3K36 Methylation</rdfs:label>
        <skos:altLabel>H3K36 methylation site</skos:altLabel>
        <skos:altLabel>histone H3 K36 methylation</skos:altLabel>
        <skos:altLabel>histone H3K36me</skos:altLabel>
        <skos:altLabel>histone lysine H3 K36 methylation</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000472"/>
        <skos:definition>[SO Definition]: A kind of histone modification site, whereby the 36th residue (a lysine), from the start of the H3 histone protein is methylated.</skos:definition>
        <skos:notation>P00000472</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000473 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000473">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000472"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/SO_0001722</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000473</oboInOwl:id>
        <rdfs:label>H3K36 Monomethylation</rdfs:label>
        <skos:altLabel>H3K36 mono-methylation site</skos:altLabel>
        <skos:altLabel>H3K36 monomethylation site</skos:altLabel>
        <skos:altLabel>H3K36&lt;Me1</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000473"/>
        <skos:definition>[SO Definition]: A kind of histone modification site, whereby the 36th residue (a lysine), from the start of the H3 histone protein is mono-methylated.</skos:definition>
        <skos:notation>P00000473</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000474 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000474">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000472"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0097676</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/SO_0001723</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000474</oboInOwl:id>
        <rdfs:label>H3K36 Dimethylation</rdfs:label>
        <skos:altLabel>H3K36 di-methylation site</skos:altLabel>
        <skos:altLabel>H3K36Me2</skos:altLabel>
        <skos:altLabel>histone H3-K36 dimethylation</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000474"/>
        <skos:definition>[SO Definition]: A kind of histone modification site, whereby the 36th residue (a lysine), from the start of the H3 histone protein is dimethylated.</skos:definition>
        <skos:notation>P00000474</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000475 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000475">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000472"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0097198</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/SO_0001724</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000475</oboInOwl:id>
        <rdfs:label>H3K36 Trimethylation</rdfs:label>
        <skos:altLabel>H3K36 tri-methylation site</skos:altLabel>
        <skos:altLabel>H3K36Me3</skos:altLabel>
        <skos:altLabel>histone H3-K36 trimethylation</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000475"/>
        <skos:definition>[SO Definition]: A kind of histone modification site, whereby the 36th residue (a lysine), from the start of the H3 histone protein is tri-methylated.</skos:definition>
        <skos:notation>P00000475</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000476 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000476">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000449"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0034729</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/SO_0001735</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000476</oboInOwl:id>
        <rdfs:label>H3K79 Methylation</rdfs:label>
        <skos:altLabel>H3K79 methylation site</skos:altLabel>
        <skos:altLabel>histone H3 K79 methylation</skos:altLabel>
        <skos:altLabel>histone H3-K79 methylation</skos:altLabel>
        <skos:altLabel>histone H3K79me</skos:altLabel>
        <skos:altLabel>histone lysine H3 K79 methylation</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000476"/>
        <skos:definition>[SO Definition]: A kind of histone modification site, whereby the 79th residue (a lysine), from the start of the H3 histone protein is methylated.</skos:definition>
        <skos:notation>P00000476</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000477 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000477">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000476"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/SO_0001710</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000477</oboInOwl:id>
        <rdfs:label>H3K79 Monomethylation</rdfs:label>
        <skos:altLabel>H3K79 mono-methylation site</skos:altLabel>
        <skos:altLabel>H3K79 monomethylation site</skos:altLabel>
        <skos:altLabel>H3K79me1</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000477"/>
        <skos:definition>[SO Definition]: A kind of histone modification site, whereby the 79th residue (a lysine), from the start of the H3 histone protein is mono- methylated.</skos:definition>
        <skos:notation>P00000477</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000478 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000478">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000476"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0097725</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/SO_0001711</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000478</oboInOwl:id>
        <rdfs:label>H3K79 Dimethylation</rdfs:label>
        <skos:altLabel>H3K79 di-methylation site</skos:altLabel>
        <skos:altLabel>H3K79 dimethylation site</skos:altLabel>
        <skos:altLabel>H3K79Me2</skos:altLabel>
        <skos:altLabel>histone H3 K79 dimethylation</skos:altLabel>
        <skos:altLabel>histone H3-K79 dimethylation</skos:altLabel>
        <skos:altLabel>histone lysine H3 K79 dimethylation</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000478"/>
        <skos:definition>[SO Definition]: A kind of histone modification site, whereby the 79th residue (a lysine), from the start of the H3 histone protein is di-methylated.</skos:definition>
        <skos:notation>P00000478</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000479 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000479">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000476"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/SO_0001712</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000479</oboInOwl:id>
        <rdfs:label>H3K79 Trimethylation</rdfs:label>
        <skos:altLabel>H3K79 tri-methylation site</skos:altLabel>
        <skos:altLabel>H3K79 trimethylation site</skos:altLabel>
        <skos:altLabel>H3K79Me3</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000479"/>
        <skos:definition>[SO Definition]: A kind of histone modification site, whereby the 79th residue (a lysine), from the start of the H3 histone protein is tri-methylated.</skos:definition>
        <skos:notation>P00000479</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000480 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000480">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000449"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0034970</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000480</oboInOwl:id>
        <rdfs:label>H3R2 Methylation</rdfs:label>
        <skos:altLabel>histone H3 R2 methylation</skos:altLabel>
        <skos:altLabel>histone H3-R2 methylation</skos:altLabel>
        <skos:altLabel>histone H3R2me</skos:altLabel>
        <skos:altLabel>histone lysine H3 R2 methylation</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000480"/>
        <skos:definition>[GO Definition]: The modification of histone H3 by addition of a methyl group to arginine at position 2 of the histone. [ GOC:mah ]</skos:definition>
        <skos:notation>P00000480</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000481 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000481">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000480"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/SO_0001947</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000481</oboInOwl:id>
        <rdfs:label>H3R2 Monomethylation</rdfs:label>
        <skos:altLabel>H3R2 monomethylation site</skos:altLabel>
        <skos:altLabel>H3R2me1</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000481"/>
        <skos:definition>[SO Definition]: A kind of histone modification site, whereby the 2nd residue (an arginine), from the start of the H3 protein is mono-methylated.</skos:definition>
        <skos:notation>P00000481</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000482 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000482">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000480"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/SO_0001948</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000482</oboInOwl:id>
        <rdfs:label>H3R2 Dimethylation</rdfs:label>
        <skos:altLabel>H3R2 dimethylation site</skos:altLabel>
        <skos:altLabel>H3R2me2</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000482"/>
        <skos:definition>[SO Definition]: A kind of histone modification site, whereby the 2nd residue (an arginine), from the start of the H3 protein is di-methylated.</skos:definition>
        <skos:notation>P00000482</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000484 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000484">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000449"/>
        <oboInOwl:id>P00000484</oboInOwl:id>
        <rdfs:label>H3R8 Methylation</rdfs:label>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000484"/>
        <skos:definition>The modification of histone H3 by addition of a methyl group to arginine at position 8 of the histone.</skos:definition>
        <skos:notation>P00000484</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000485 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000485">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000449"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0034971</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000485</oboInOwl:id>
        <rdfs:label>H3R17 Methylation</rdfs:label>
        <skos:altLabel>histone H3 R17 methylation</skos:altLabel>
        <skos:altLabel>histone H3-R17 methylation</skos:altLabel>
        <skos:altLabel>histone H3R17me</skos:altLabel>
        <skos:altLabel>histone lysine H3 R17 methylation</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000485"/>
        <skos:definition>[GO Definition]: The modification of histone H3 by addition of a methyl group to arginine at position 17 of the histone. [ GOC:mah ]</skos:definition>
        <skos:notation>P00000485</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000486 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000486">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000449"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0034972</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000486</oboInOwl:id>
        <rdfs:label>H3R26 Methylation</rdfs:label>
        <skos:altLabel>H3R26me1</skos:altLabel>
        <skos:altLabel>histone H3 R26 methylation</skos:altLabel>
        <skos:altLabel>histone H3-R26 methylation</skos:altLabel>
        <skos:altLabel>histone H3R26me</skos:altLabel>
        <skos:altLabel>histone lysine H3 R26 methylation</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000486"/>
        <skos:definition>[GO Definition]: The modification of histone H3 by addition of a methyl group to arginine at position 26 of the histone. [ GOC:mah ]</skos:definition>
        <skos:notation>P00000486</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000487 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000487">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000450"/>
        <oboInOwl:id>P00000487</oboInOwl:id>
        <rdfs:label>H4K4 Methylation</rdfs:label>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000487"/>
        <skos:definition>The modification of histone H4 by addition of one or more methyl groups to lysine at position 4 of the histone.</skos:definition>
        <skos:notation>P00000487</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000488 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000488">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000487"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/SO_0001950</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000488</oboInOwl:id>
        <rdfs:label>H4K4 Trimethylation</rdfs:label>
        <skos:altLabel>H4K4 trimethylation site</skos:altLabel>
        <skos:altLabel>H4K4me3</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000488"/>
        <skos:definition>[SO Definition]: A kind of histone modification site, whereby the 4th residue (a lysine), from the start of the H4 protein is tri-methylated.</skos:definition>
        <skos:notation>P00000488</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000489 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000489">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000450"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0034770</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000489</oboInOwl:id>
        <rdfs:label>H4K20 Methylation</rdfs:label>
        <skos:altLabel>histone H4 K20 methylation</skos:altLabel>
        <skos:altLabel>histone H4-K20 methylation</skos:altLabel>
        <skos:altLabel>histone H4K20me</skos:altLabel>
        <skos:altLabel>histone lysine H4 K20 methylation</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000489"/>
        <skos:definition>[GO Definition]: The modification of histone H4 by addition of one or more methyl groups to lysine at position 20 of the histone. [ GOC:mah ]</skos:definition>
        <skos:notation>P00000489</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000490 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000490">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000489"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0034771</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/SO_0001713</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000490</oboInOwl:id>
        <rdfs:label>H4K20 Monomethylation</rdfs:label>
        <skos:altLabel>H4K20 mono-methylation site</skos:altLabel>
        <skos:altLabel>H4K20Me1</skos:altLabel>
        <skos:altLabel>histone H4 K20 monomethylation</skos:altLabel>
        <skos:altLabel>histone H4-K20 monomethylation</skos:altLabel>
        <skos:altLabel>histone lysine H4 K20 monomethylation</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000490"/>
        <skos:definition>[SO Definition]: A kind of histone modification site, whereby the 20th residue (a lysine), from the start of the H4histone protein is mono-methylated.</skos:definition>
        <skos:notation>P00000490</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000492 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000492">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000450"/>
        <oboInOwl:id>P00000492</oboInOwl:id>
        <rdfs:label>H4K59 Methylation</rdfs:label>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000492"/>
        <skos:definition>The modification of histone H4 by addition of one or more methyl groups to lysine at position 59 of the histone.</skos:definition>
        <skos:notation>P00000492</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000493 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000493">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000450"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0043985</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000493</oboInOwl:id>
        <rdfs:label>H4R3 Methylation</rdfs:label>
        <skos:altLabel>histone H4 R3 methylation</skos:altLabel>
        <skos:altLabel>histone H4 methylation at R3</skos:altLabel>
        <skos:altLabel>histone H4-R3 methylation</skos:altLabel>
        <skos:altLabel>histone H4R3me</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000493"/>
        <skos:definition>[GO Definition]: The modification of histone H4 by addition of a methyl group to arginine at position 3 of the histone. [ GOC:mah ]</skos:definition>
        <skos:notation>P00000493</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000494 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000494">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000493"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/SO_0001949</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000494</oboInOwl:id>
        <rdfs:label>H4R3 Dimethylation</rdfs:label>
        <skos:altLabel>H4R3 dimethylation site</skos:altLabel>
        <skos:altLabel>H4R3me2</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000494"/>
        <skos:definition>[SO Definition]: A kind of histone modification site, whereby the 3nd residue (an arginine), from the start of the H4 protein is di-methylated.</skos:definition>
        <skos:notation>P00000494</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000495 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000495">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000069"/>
        <oboInOwl:id>P00000495</oboInOwl:id>
        <rdfs:label>Histone Palmitoylation</rdfs:label>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000495"/>
        <skos:definition>The modification of histones by O-palmitoylation.</skos:definition>
        <skos:notation>P00000495</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000496 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000496">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000495"/>
        <oboInOwl:hasDbXref>https://www.ncbi.nlm.nih.gov/pubmed/21685381</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000496</oboInOwl:id>
        <rdfs:label>Histone H4 Palmitoylation</rdfs:label>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000496"/>
        <skos:definition>The modification of histone H4 by O-palmitoylation.</skos:definition>
        <skos:notation>P00000496</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000497 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000497">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000496"/>
        <oboInOwl:hasDbXref>https://www.ncbi.nlm.nih.gov/pubmed/21685381</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000497</oboInOwl:id>
        <rdfs:label>H4S47 Palmitoylation</rdfs:label>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000497"/>
        <skos:definition>The modification of histone H4 by O-palmitoylation at position 47 of the histone.</skos:definition>
        <skos:notation>P00000497</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000498 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000498">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000100"/>
        <oboInOwl:id>P00000498</oboInOwl:id>
        <rdfs:label>Histone H1 Phosphorylation</rdfs:label>
        <skos:altLabel>H1 Phosphorlyation</skos:altLabel>
        <skos:altLabel>Histone 1 Phosphorylation</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000498"/>
        <skos:definition>The modification of histone H1 by addition of phosphate groups.</skos:definition>
        <skos:notation>P00000498</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000499 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000499">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000100"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_1990164</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000499</oboInOwl:id>
        <rdfs:label>Histone H2A Phosphorylation</rdfs:label>
        <skos:altLabel>h2a phosphorylation</skos:altLabel>
        <skos:altLabel>histone 2a phosphorylation</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000499"/>
        <skos:definition>[GO Definition]: The modification of histone H2A by the addition of a phosphate group. [ http://www.ncbi.nlm.nih.gov/pubmed/23080121 GOC:mah ]</skos:definition>
        <skos:notation>P00000499</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000500 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000500">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000100"/>
        <oboInOwl:id>P00000500</oboInOwl:id>
        <rdfs:label>Histone H2B Phosphorylation</rdfs:label>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000500"/>
        <skos:definition>The modification of histone H2B by the addition of a phosphate group.</skos:definition>
        <skos:notation>P00000500</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000501 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000501">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000100"/>
        <oboInOwl:id>P00000501</oboInOwl:id>
        <rdfs:label>Histone H3 Phosphorylation</rdfs:label>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000501"/>
        <skos:definition>The modification of histone H3 by the addition of a phosphate group.</skos:definition>
        <skos:notation>P00000501</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000502 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000502">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000100"/>
        <oboInOwl:id>P00000502</oboInOwl:id>
        <rdfs:label>Histone H4 Phosphorylation</rdfs:label>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000502"/>
        <skos:definition>The modification of histone H4 by the addition of a phosphate group.</skos:definition>
        <skos:notation>P00000502</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000503 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000503">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000498"/>
        <oboInOwl:id>P00000503</oboInOwl:id>
        <rdfs:label>H1S27 Phosphorylation</rdfs:label>
        <skos:altLabel>H1S27p</skos:altLabel>
        <skos:altLabel>histone H1 phosphorylation at S27</skos:altLabel>
        <skos:altLabel>histone H1-S27 phosphorylation</skos:altLabel>
        <skos:altLabel>histone H1S27 phosphorylation</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000503"/>
        <skos:definition>The modification of histone H1 by the addition of an phosphate group to a serine residue at position 27 of the histone.</skos:definition>
        <skos:notation>P00000503</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000504 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000504">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000499"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0043990</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://www.iiserpune.ac.in/~coee/histome/ptm_sp.php?ptm_sp=H2AS1ph</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000504</oboInOwl:id>
        <rdfs:label>H2AS1 Phosphorylation</rdfs:label>
        <skos:altLabel>H2AS1p</skos:altLabel>
        <skos:altLabel>H2AS1ph</skos:altLabel>
        <skos:altLabel>histone H2A phosphorylation at S1</skos:altLabel>
        <skos:altLabel>histone H2A-S1 phosphorylation</skos:altLabel>
        <skos:altLabel>histone H2AS1 phosphorylation</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000504"/>
        <skos:definition>[GO Definition]: The modification of histone H2A by the addition of an phosphate group to a serine residue at position 1 of the histone. [ GOC:jl ]</skos:definition>
        <skos:notation>P00000504</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000505 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000505">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000499"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0072370</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000505</oboInOwl:id>
        <rdfs:label>H2AS121 Phosphorylation</rdfs:label>
        <skos:altLabel>histone H2A phosphorylation at S121</skos:altLabel>
        <skos:altLabel>histone H2A-S121 phosphorylation</skos:altLabel>
        <skos:altLabel>histone H2AS121 phosphorylation</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000505"/>
        <skos:definition>[GO Definition]: The modification of histone H2A by the addition of an phosphate group to a serine residue at position 121 of the histone. [ GOC:mah http://www.ncbi.nlm.nih.gov/pubmed/19965387 ]</skos:definition>
        <skos:notation>P00000505</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000506 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000506">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000499"/>
        <oboInOwl:id>P00000506</oboInOwl:id>
        <rdfs:label>H2AS122 Phosphorylation</rdfs:label>
        <skos:altLabel>histone H2A phosphorylation at S122</skos:altLabel>
        <skos:altLabel>histone H2A-S122 phosphorylation</skos:altLabel>
        <skos:altLabel>histone H2AS122 phosphorylation</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000506"/>
        <skos:definition>The modification of histone H2A by the addition of an phosphate group to a serine residue at position 122 of the histone.</skos:definition>
        <skos:notation>P00000506</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000507 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000507">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000499"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0035978</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000507</oboInOwl:id>
        <rdfs:label>H2AS139 Phosphorylation</rdfs:label>
        <skos:altLabel>H2AS139p</skos:altLabel>
        <skos:altLabel>H2AS139ph</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000507"/>
        <skos:definition>[GO Definition]: The modification of histone H2A by the addition of an phosphate group to a serine residue at position 139 of the histone. [ GOC:yaf http://www.ncbi.nlm.nih.gov/pubmed/16061642 ]</skos:definition>
        <skos:notation>P00000507</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000508 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000508">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000499"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_1990245</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://www.iiserpune.ac.in/~coee/histome/ptm_sp.php?ptm_sp=H2AT120ph</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000508</oboInOwl:id>
        <rdfs:label>H2AT120 Phosphorylation</rdfs:label>
        <skos:altLabel>H2AT120p</skos:altLabel>
        <skos:altLabel>H2AT120ph</skos:altLabel>
        <skos:altLabel>histone H2A phosphorylation at T120</skos:altLabel>
        <skos:altLabel>histone H2A-T120 phosphorylation</skos:altLabel>
        <skos:altLabel>histone H2AT120 phosphorylation</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000508"/>
        <skos:definition>[GO Definition]: The modification of histone H2A by the addition of a phosphate group to a threonine residue at position 120 of the histone. [ http://www.ncbi.nlm.nih.gov/pubmed/24140421 ]</skos:definition>
        <skos:notation>P00000508</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000509 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000509">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000499"/>
        <oboInOwl:id>P00000509</oboInOwl:id>
        <rdfs:label>Histone H2A.X Phosphorylation</rdfs:label>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000509"/>
        <skos:definition>The modification of histone H2A.X by the addition of a phosphate group.</skos:definition>
        <skos:notation>P00000509</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000510 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000510">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000509"/>
        <oboInOwl:id>P00000510</oboInOwl:id>
        <rdfs:label>H2A.XS139 Phosphorylation</rdfs:label>
        <skos:altLabel>H2AXS139p&quot;</skos:altLabel>
        <skos:altLabel>H2AXS139ph</skos:altLabel>
        <skos:altLabel>histone H2AX phosphorylation at S139</skos:altLabel>
        <skos:altLabel>histone H2AX-S139 phosphorylation</skos:altLabel>
        <skos:altLabel>histone H2AXS139 phosphorylation</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000510"/>
        <skos:definition>The modification of histone H2A.X by the addition of an phosphate group to a serine residue at position 139 of the histone.</skos:definition>
        <skos:notation>P00000510</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000511 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000511">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000509"/>
        <oboInOwl:id>P00000511</oboInOwl:id>
        <rdfs:label>H2A.XY142 Phosphorylation</rdfs:label>
        <skos:altLabel>H2AXY142p</skos:altLabel>
        <skos:altLabel>H2AXY142ph</skos:altLabel>
        <skos:altLabel>histone H2AX phosphorylation at Y142</skos:altLabel>
        <skos:altLabel>histone H2AX-Y142 phosphorylation</skos:altLabel>
        <skos:altLabel>histone H2AXY142 phosphorylation</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000511"/>
        <skos:definition>The modification of histone H2A.X by the addition of an phosphate group to a tyrosine residue at position 142 of the histone.</skos:definition>
        <skos:notation>P00000511</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000526 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000526">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000489"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0034772</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000526</oboInOwl:id>
        <rdfs:label>H4K20 Dimethylation</rdfs:label>
        <skos:altLabel>histone H4 K20 dimethylation</skos:altLabel>
        <skos:altLabel>histone H4-K20 dimethylation</skos:altLabel>
        <skos:altLabel>histone lysine H4 K20 dimethylation</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000526"/>
        <skos:definition>[GO Definition]: The modification of histone H4 by addition of two methyl groups to lysine at position 20 of the histone. [ GOC:mah ]</skos:definition>
        <skos:notation>P00000526</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000527 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000527">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000489"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0034773</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000527</oboInOwl:id>
        <rdfs:label>H4K20 Trimethylation</rdfs:label>
        <skos:altLabel>histone H4 K20 trimethylation</skos:altLabel>
        <skos:altLabel>histone H4-K20 trimethylation</skos:altLabel>
        <skos:altLabel>histone lysine H4 K20 trimethylation</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000527"/>
        <skos:definition>[GO Definition]: The modification of histone H4 by addition of three methyl groups to lysine at position 20 of the histone. [ GOC:mah ]</skos:definition>
        <skos:notation>P00000527</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000528 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000528">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000500"/>
        <oboInOwl:id>P00000528</oboInOwl:id>
        <rdfs:label>H2BK14 Phosphorylation</rdfs:label>
        <skos:altLabel>H2BK14p</skos:altLabel>
        <skos:altLabel>H2BK14ph</skos:altLabel>
        <skos:altLabel>histone H2B phosphorylation at K14</skos:altLabel>
        <skos:altLabel>histone H2B-K14 phosphorylation</skos:altLabel>
        <skos:altLabel>histone H2BK14 phosphorylation</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000528"/>
        <skos:definition>The modification of histone H2B by the addition of an phosphate group to a lysine residue at position 14 of the histone.</skos:definition>
        <skos:notation>P00000528</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000529 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000529">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000500"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0043991</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://www.iiserpune.ac.in/~coee/histome/ptm_sp.php?ptm_sp=H2BS14ph</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000529</oboInOwl:id>
        <rdfs:label>H2BS14 Phosphorylation</rdfs:label>
        <skos:altLabel>h2bs14p</skos:altLabel>
        <skos:altLabel>h2bs14ph</skos:altLabel>
        <skos:altLabel>histone H2B phosphorylation at S14</skos:altLabel>
        <skos:altLabel>histone H2B-S14 phosphorylation</skos:altLabel>
        <skos:altLabel>histone H2BS14 phosphorylation</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000529"/>
        <skos:definition>[GO Definition]: The modification of histone H2B by the addition of an phosphate group to a serine residue at position 14 of the histone. [ GOC:jl ]</skos:definition>
        <skos:notation>P00000529</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000530 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000530">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000501"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0043987</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://www.iiserpune.ac.in/~coee/histome/ptm_sp.php?ptm_sp=H3S10ph</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000530</oboInOwl:id>
        <rdfs:label>H3S10 Phosphorylation</rdfs:label>
        <skos:altLabel>H3S10p</skos:altLabel>
        <skos:altLabel>H3S10ph</skos:altLabel>
        <skos:altLabel>histone H3 phosphorylation at S10</skos:altLabel>
        <skos:altLabel>histone H3-S10 phosphorylation</skos:altLabel>
        <skos:altLabel>histone H3S10 phosphorylation</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000530"/>
        <skos:definition>[GO Definition]: The modification of histone H3 by the addition of an phosphate group to a serine residue at position 10 of the histone. [ GOC:jl ]</skos:definition>
        <skos:notation>P00000530</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000531 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000531">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000501"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0043988</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://www.iiserpune.ac.in/~coee/histome/ptm_sp.php?ptm_sp=H3S28ph</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000531</oboInOwl:id>
        <rdfs:label>H3S28 Phosphorylation</rdfs:label>
        <skos:altLabel>H3S28p</skos:altLabel>
        <skos:altLabel>H3S28ph</skos:altLabel>
        <skos:altLabel>histone H3 phosphorylation at S28</skos:altLabel>
        <skos:altLabel>histone H3-S28 phosphorylation</skos:altLabel>
        <skos:altLabel>histone H3S28 phosphorylation</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000531"/>
        <skos:definition>[GO Definition]: The modification of histone H3 by the addition of an phosphate group to a serine residue at position 28 of the histone. [ GOC:jl ]</skos:definition>
        <skos:notation>P00000531</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000532 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000532">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000501"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0072355</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000532</oboInOwl:id>
        <rdfs:label>H3T3 Phosphorylation</rdfs:label>
        <skos:altLabel>H3T3p</skos:altLabel>
        <skos:altLabel>H3T3ph</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000532"/>
        <skos:definition>[GO Definition]: The modification of histone H3 by the addition of an phosphate group to a threonine residue at position 3 of the histone. [ GOC:mah ]</skos:definition>
        <skos:notation>P00000532</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000533 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000533">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000501"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0035408</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000533</oboInOwl:id>
        <rdfs:label>H3T6 Phosphorylation</rdfs:label>
        <skos:altLabel>H3T6p</skos:altLabel>
        <skos:altLabel>H3T6ph</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000533"/>
        <skos:definition>[GO Definition]: The modification of histone H3 by the addition of an phosphate group to a threonine residue at position 6 of the histone. [ GOC:bf ]</skos:definition>
        <skos:notation>P00000533</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000534 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000534">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000501"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0035407</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000534</oboInOwl:id>
        <rdfs:label>H3T11 Phosphorylation</rdfs:label>
        <skos:altLabel>H3T11p</skos:altLabel>
        <skos:altLabel>H3T11ph</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000534"/>
        <skos:definition>[GO Definition]: The modification of histone H3 by the addition of an phosphate group to a threonine residue at position 11 of the histone. [ GOC:bf ]</skos:definition>
        <skos:notation>P00000534</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000535 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000535">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000501"/>
        <oboInOwl:hasDbXref>http://www.iiserpune.ac.in/~coee/histome/ptm_sp.php?ptm_sp=H3T45ph</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000535</oboInOwl:id>
        <rdfs:label>H3T45 Phosphorylation</rdfs:label>
        <skos:altLabel>H3T45p</skos:altLabel>
        <skos:altLabel>H3T45ph</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000535"/>
        <skos:definition>H3T45 phosphorylation induces structural change within the nucleosome to facilitate DNA nicking and/or fragmentation linking its role to apoptosis (PMID: 19363025).</skos:definition>
        <skos:notation>P00000535</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000536 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000536">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000501"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0035409</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000536</oboInOwl:id>
        <rdfs:label>H3Y41 Phosphorylation</rdfs:label>
        <skos:altLabel>H3Y41p</skos:altLabel>
        <skos:altLabel>H3Y41ph</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000536"/>
        <skos:definition>[GO Definition]: The modification of histone H3 by the addition of a phosphate group to a tyrosine residue at position 41 of the histone. [ GOC:bf ]</skos:definition>
        <skos:notation>P00000536</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000537 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000537">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000502"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0043989</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://www.iiserpune.ac.in/~coee/histome/ptm_sp.php?ptm_sp=H4S1ph</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000537</oboInOwl:id>
        <rdfs:label>H4S1 Phosphorylation</rdfs:label>
        <skos:altLabel>H4S1p</skos:altLabel>
        <skos:altLabel>H4S1ph</skos:altLabel>
        <skos:altLabel>histone H4 phosphorylation at S1</skos:altLabel>
        <skos:altLabel>histone H4-S1 phosphorylation</skos:altLabel>
        <skos:altLabel>histone H4S1 phosphorylation</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000537"/>
        <skos:definition>[GO Definition]: The modification of histone H4 by the addition of an phosphate group to a serine residue at position 1 of the histone. [ GOC:jl ]</skos:definition>
        <skos:notation>P00000537</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000538 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000538">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000104"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0036351</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000538</oboInOwl:id>
        <rdfs:label>H2AK13 Ubiquitination</rdfs:label>
        <skos:altLabel>histone H2A ubiquitination (H2A-K13)</skos:altLabel>
        <skos:altLabel>histone H2A-K13 ubiquitination</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000538"/>
        <skos:definition>[GO Definition]: The modification of histone H2A by addition of ubiquitin group at lysine 13 (H2A-K13) in metazoans, and at the equivalent residue in other organisms. Monoubiquitin is first attached to H2A-K13 and K63-linked ubiquitin chains are then extended from this monoubiquitin. [ http://www.ncbi.nlm.nih.gov/pubmed/22713238 http://www.ncbi.nlm.nih.gov/pubmed/22980979 GOC:sp ]</skos:definition>
        <skos:notation>P00000538</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000539 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000539">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000104"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0036352</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000539</oboInOwl:id>
        <rdfs:label>H2AK15 Ubiquitination</rdfs:label>
        <skos:altLabel>histone H2A ubiquitination (H2A-K15)</skos:altLabel>
        <skos:altLabel>histone H2A-K15 ubiquitination</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000539"/>
        <skos:definition>[GO Definition]: The modification of histone H2A by addition of ubiquitin group at lysine 15 (H2A-K15) in metazoans, and at the equivalent residue in other organisms. Monoubiquitin is first attached to H2A-K15 and K63-linked ubiquitin chains are then extended from this monoubiquitin. [ GOC:sp http://www.ncbi.nlm.nih.gov/pubmed/22713238 http://www.ncbi.nlm.nih.gov/pubmed/22980979 ]</skos:definition>
        <skos:notation>P00000539</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000540 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000540">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000104"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0070535</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000540</oboInOwl:id>
        <rdfs:label>H2AK63-Linked Ubiquitination</rdfs:label>
        <skos:altLabel>histone H2A K63-linked ubiquitination</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000540"/>
        <skos:definition>[GO Definition]: A histone ubiquitination process in which a polymer of ubiquitin, formed by linkages between lysine residues at position 63 of the ubiquitin monomers, is added to a lysine residue in histone H2A or the variant H2AX. [ GOC:mah http://www.ncbi.nlm.nih.gov/pubmed/18430235 ]</skos:definition>
        <skos:notation>P00000540</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000541 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000541">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000104"/>
        <oboInOwl:hasDbXref>http://www.iiserpune.ac.in/~coee/histome/ptm_sp.php?ptm_sp=H2AK119ub</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000541</oboInOwl:id>
        <rdfs:label>H2AK119 Ubiquitination</rdfs:label>
        <skos:altLabel>H2AK119ub</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000541"/>
        <skos:definition>H2AK119 ubiquitination is linked to Polycomb mediated gene silencing (PMID: 15386022).</skos:definition>
        <skos:notation>P00000541</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000542 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000542">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000104"/>
        <oboInOwl:id>P00000542</oboInOwl:id>
        <rdfs:label>H2A.X Ubiquitination</rdfs:label>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000542"/>
        <skos:definition>The modification of histone H2A.X by addition of one or more ubiquitin groups.</skos:definition>
        <skos:notation>P00000542</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000543 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000543">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000541"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0036353</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000543</oboInOwl:id>
        <rdfs:label>H2AK119 Monoubiquitination</rdfs:label>
        <skos:altLabel>histone H2A monoubiquitination (H2A-K119)</skos:altLabel>
        <skos:altLabel>histone H2A-K119 monoubiquitination</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000543"/>
        <skos:definition>[GO Definition]: The modification of histone H2A by addition of a single ubiquitin group to lysine-119 (H2A- K119) in metazoans, and at the equivalent residue in other organisms. [ http://www.ncbi.nlm.nih.gov/pubmed/15386022 GOC:sp ]</skos:definition>
        <skos:notation>P00000543</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000544 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000544">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000542"/>
        <oboInOwl:id>P00000544</oboInOwl:id>
        <rdfs:label>H2A.XK119 Ubiquitination</rdfs:label>
        <skos:altLabel>H2A.XK119ub</skos:altLabel>
        <skos:altLabel>H2AXK119 Ubiquitination</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000544"/>
        <skos:definition>The modification of histone H2A.X by addition of ubiquitin group at lysine 119.</skos:definition>
        <skos:notation>P00000544</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000545 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000545">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000103"/>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/GO_0033523</oboInOwl:hasDbXref>
        <oboInOwl:hasDbXref>http://purl.obolibrary.org/obo/SO_0001717</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000545</oboInOwl:id>
        <rdfs:label>Histone H2B Ubiquitination</rdfs:label>
        <skos:altLabel>H2B ubiquitination site</skos:altLabel>
        <skos:altLabel>H2BUbiq</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000545"/>
        <skos:definition>[GO Definition]: The modification of histone H2B by addition of ubiquitin groups. [ GOC:mah ]</skos:definition>
        <skos:notation>P00000545</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000546 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000546">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000545"/>
        <oboInOwl:hasDbXref>http://www.iiserpune.ac.in/~coee/histome/ptm_sp.php?ptm_sp=H2BK120ub</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000546</oboInOwl:id>
        <rdfs:label>H2BK120 Ubiquitination</rdfs:label>
        <skos:altLabel>H2BK120ub</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000546"/>
        <skos:definition>H2B-K120 monoubiquitination is essential for subsequent H3-K4 and H3-K79 methylation and these modifications are marks for active gene transcription (PMID: 16307923). H2BK120ub1 stimulates elongation by RNA polymerase II through chromatin (PMID: 16713563). H2B specific ubiquitin ligase RNF20/hBRE1 which mediates H2BK120ub acts as a putative tumour suppressor through selective regulation of gene expression (PMID: 18832071). CDK9 is reported to regulate gene expression by controlling H2BK120ub1 mark at a global level (PMID: 19575011).</skos:definition>
        <skos:notation>P00000546</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000547 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000547">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000103"/>
        <oboInOwl:id>P00000547</oboInOwl:id>
        <rdfs:label>Histone H4 Ubiquitination</rdfs:label>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000547"/>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000548"/>
        <skos:definition>The modification of histone H2B by addition of ubiquitin groups.</skos:definition>
        <skos:notation>P00000547</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000548 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000548">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000547"/>
        <oboInOwl:hasDbXref>http://www.iiserpune.ac.in/~coee/histome/ptm_sp.php?ptm_sp=H4K91ub</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000548</oboInOwl:id>
        <rdfs:label>H4K91 Ubiquitination</rdfs:label>
        <skos:altLabel>H4K91ub</skos:altLabel>
        <skos:definition>H4K91 monoubiquitination is essential for protection against DNA damage. Mutation at the H4K91 residue exhibits defective chromatin assembly and increased sensitivity to DNA-damaging agents (PMID: 19818714).</skos:definition>
        <skos:notation>P00000548</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000602 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000602">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000452"/>
        <oboInOwl:id>P00000602</oboInOwl:id>
        <rdfs:label>H2AR3 Dimethylation</rdfs:label>
        <skos:altLabel>H2AR3me2</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000602"/>
        <skos:definition>The modification of histone H2A by addition of three methyl groups to arginine at position 3 of the histone.</skos:definition>
        <skos:notation>P00000602</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000603 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000603">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000485"/>
        <oboInOwl:hasDbXref>http://www.iiserpune.ac.in/~coee/histome/ptm_sp.php?ptm_sp=H3R17me1</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000603</oboInOwl:id>
        <rdfs:label>H3R17 Monomethylation</rdfs:label>
        <skos:altLabel>H3R17me1</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000603"/>
        <skos:definition>Methylation of H3R17 is catalysed by CARM1 and this in turn coactivates nuclear hormone receptor-mediated transcription suggesting that the H3R17 methylation may be involved in transcriptional activation (PMID: 15186775).</skos:definition>
        <skos:notation>P00000603</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000604 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000604">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000485"/>
        <oboInOwl:hasDbXref>http://www.iiserpune.ac.in/~coee/histome/ptm_sp.php?ptm_sp=H3R17me2</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000604</oboInOwl:id>
        <rdfs:label>H3R17 Dimethylation</rdfs:label>
        <skos:altLabel>H3R17me2</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000604"/>
        <skos:definition>CARM1 dependent methylation of H3R17 leads to the activation of E2F1 promoter indicating its role in gene activation (PMID: 18172323). H3R17me2 is important for transcriptional activation of MHC II HLA-DRA genes (PMID: 17478518).</skos:definition>
        <skos:notation>P00000604</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000605 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000605">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000484"/>
        <oboInOwl:hasDbXref>http://www.iiserpune.ac.in/~coee/histome/ptm_sp.php?ptm_sp=H3R8me2</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000605</oboInOwl:id>
        <rdfs:label>H3R8 Dimethylation</rdfs:label>
        <skos:altLabel>H3R8me2</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000605"/>
        <skos:definition>PRMT5-dependent dimethylation of H3R8 plays a role in regulating rRNA promoter activity (PMID: 19998411).</skos:definition>
        <skos:notation>P00000605</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000606 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000606">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000493"/>
        <oboInOwl:hasDbXref>http://www.iiserpune.ac.in/~coee/histome/ptm_sp.php?ptm_sp=H4R3me1</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000606</oboInOwl:id>
        <rdfs:label>H4R3 Monomethylation</rdfs:label>
        <skos:altLabel>H3R4me1</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000606"/>
        <skos:definition>H4 R3 methylation plays a major role in transcriptional activation by nuclear hormone receptors. Methylation of arginine 3 by PRMT1 facilitates subsequent acetylation of H4 tails by p300 (PMID: 11387442). H4R3 methylation stimulates subsequent acetylation of H3 and H4 resulting in gene activation (PMID: 16103216).</skos:definition>
        <skos:notation>P00000606</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000612 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000612">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000081"/>
        <oboInOwl:id>P00000612</oboInOwl:id>
        <rdfs:label>Histone H1 Acetylation</rdfs:label>
        <skos:altLabel>H1 Acetylation</skos:altLabel>
        <skos:altLabel>H1ac</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000612"/>
        <skos:definition>The modification of histone H1 by the addition of an acetyl group.</skos:definition>
        <skos:notation>P00000612</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000613 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000613">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000612"/>
        <oboInOwl:hasDbXref>http://www.iiserpune.ac.in/~coee/histome/ptm_sp.php?ptm_sp=H1K25ac</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000613</oboInOwl:id>
        <rdfs:label>H1K25 Acetylation</rdfs:label>
        <skos:altLabel>H1K25ac</skos:altLabel>
        <skos:altLabel>histone H1 acetylation at K25</skos:altLabel>
        <skos:altLabel>histone H1-K25 acetylation</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000613"/>
        <skos:definition>Deacetylation of H1 K25 (reported as H1K26) by SirT1 is involved in formation of repressive heterochromatin (PMID: 15469825).</skos:definition>
        <skos:notation>P00000613</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000614 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000614">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000373"/>
        <oboInOwl:hasDbXref>http://www.iiserpune.ac.in/~coee/histome/ptm_sp.php?ptm_sp=H2BK16ac</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000614</oboInOwl:id>
        <rdfs:label>H2BK16 Acetylation</rdfs:label>
        <skos:altLabel>H2BK16ac</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000614"/>
        <skos:definition>H2BK16 acetylation is found at differentially methylated regions of imprinted genes (PMID: 20693536).</skos:definition>
        <skos:notation>P00000614</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000615 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000615">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000373"/>
        <oboInOwl:hasDbXref>http://www.iiserpune.ac.in/~coee/histome/ptm_sp.php?ptm_sp=H2BK46ac</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000615</oboInOwl:id>
        <rdfs:label>H2BK46 Acetylation</rdfs:label>
        <skos:altLabel>H2BK46ac</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000615"/>
        <skos:definition>H2BK46 acetylation is found at differentially methylated regions of imprinted genes (PMID: 20693536).</skos:definition>
        <skos:notation>P00000615</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000619 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000619">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000446"/>
        <oboInOwl:hasDbXref>http://www.iiserpune.ac.in/~coee/histome/ptm_sp.php?ptm_sp=H1K186me1</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000619</oboInOwl:id>
        <rdfs:label>H1K187 Methylation</rdfs:label>
        <skos:altLabel>H1k186me1</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000619"/>
        <skos:definition>Histone H1.2 K186 methylation (reported as H1K187) is cell cycle-independent (PMID: 20334638).</skos:definition>
        <skos:notation>P00000619</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000621 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000621">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000104"/>
        <oboInOwl:id>P00000621</oboInOwl:id>
        <rdfs:label>H2A.Z Ubiquitination</rdfs:label>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000621"/>
        <skos:definition>The modification of histone H2A.Z by addition of one or more ubiquitin groups.</skos:definition>
        <skos:notation>P00000621</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000622 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000622">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000621"/>
        <oboInOwl:hasDbXref>http://www.iiserpune.ac.in/~coee/histome/ptm_sp.php?ptm_sp=H2AK121ub</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000622</oboInOwl:id>
        <rdfs:label>H2A.ZK121 Ubiquitination</rdfs:label>
        <skos:altLabel>K2AK121ub</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000622"/>
        <skos:definition>Monoubiquitylated H2A.Z is enriched on the inactive X chromosome in females. H2A.Z preferentially associates with H3K4me2 and H3K4me3 in the nucleosome context. H2A.Z is associated with facultative heterochromatin, and this modification marks the fraction of H2A.Z associated with gene silencing.(PMID: 17636032).</skos:definition>
        <skos:notation>P00000622</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000623 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000623">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000498"/>
        <oboInOwl:hasDbXref>http://www.iiserpune.ac.in/~coee/histome/ptm_sp.php?ptm_sp=H1S171ph</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000623</oboInOwl:id>
        <rdfs:label>H1S171 Phosphorylation</rdfs:label>
        <skos:altLabel>H1S171p</skos:altLabel>
        <skos:altLabel>H1S171ph</skos:altLabel>
        <skos:altLabel>histone H1 phosphorylation at S171</skos:altLabel>
        <skos:altLabel>histone H1S-171 phosphorylation</skos:altLabel>
        <skos:altLabel>histone H1S171 phosphorylation</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000623"/>
        <skos:definition>Phosphorylated on H1.4 during interphase and mitosis (PMID: 20439994).</skos:definition>
        <skos:notation>P00000623</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000624 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000624">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000498"/>
        <oboInOwl:hasDbXref>http://www.iiserpune.ac.in/~coee/histome/ptm_sp.php?ptm_sp=H1S172ph</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000624</oboInOwl:id>
        <rdfs:label>H1S17 Phosphorylation</rdfs:label>
        <skos:altLabel>H1S17p</skos:altLabel>
        <skos:altLabel>H1S17ph</skos:altLabel>
        <skos:altLabel>histone H1 phosphorylation at S17</skos:altLabel>
        <skos:altLabel>histone H1S-17 phosphorylation&quot;</skos:altLabel>
        <skos:altLabel>histone H1S17 phosphorylation</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000624"/>
        <skos:definition>Interphase specific phosphorylation in H1.5 (PMID: 16377619, PMID: 16083285).</skos:definition>
        <skos:notation>P00000624</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000625 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000625">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000498"/>
        <oboInOwl:hasDbXref>http://www.iiserpune.ac.in/~coee/histome/ptm_sp.php?ptm_sp=H1S186ph</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000625</oboInOwl:id>
        <rdfs:label>H1S186 Phosphorylation</rdfs:label>
        <skos:altLabel>H1S186p</skos:altLabel>
        <skos:altLabel>H1S186ph</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000625"/>
        <skos:definition>H1.4 serine 186 (reported as H1S187) phosphorylation is preferentially associated with active rDNA promoters and enriched at hormone response element (PMID: 20439994).</skos:definition>
        <skos:notation>P00000625</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000626 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000626">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000498"/>
        <oboInOwl:hasDbXref>http://www.iiserpune.ac.in/~coee/histome/ptm_sp.php?ptm_sp=H1S188ph</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000626</oboInOwl:id>
        <rdfs:label>H1S188 Phosphorylation</rdfs:label>
        <skos:altLabel>H1S188p</skos:altLabel>
        <skos:altLabel>H1S188ph</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000626"/>
        <skos:definition>Interphase specific phosphorylation in H1.5 (PMID: 16377619).</skos:definition>
        <skos:notation>P00000626</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000627 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000627">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000498"/>
        <oboInOwl:hasDbXref>http://www.iiserpune.ac.in/~coee/histome/ptm_sp.php?ptm_sp=H1S26ph</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000627</oboInOwl:id>
        <rdfs:label>H1S26 Phosphorylation</rdfs:label>
        <skos:altLabel>H1S26p</skos:altLabel>
        <skos:altLabel>H1S26ph</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000627"/>
        <skos:definition>Histone H1.4 serine 26 (reported as H1S27) is phosphorylated exclusively during mitosis (PMID: 20439994). Inhibits the binding of Heterochromatin protein 1 (HP1) (PMID: 16127177).</skos:definition>
        <skos:notation>P00000627</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000628 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000628">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000498"/>
        <oboInOwl:hasDbXref>http://www.iiserpune.ac.in/~coee/histome/ptm_sp.php?ptm_sp=H1T10ph</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000628</oboInOwl:id>
        <rdfs:label>H1T10 Phosphorylation</rdfs:label>
        <skos:altLabel>H1T10p</skos:altLabel>
        <skos:altLabel>H1T10ph</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000628"/>
        <skos:definition>Mitosis-specific phosphorylation in H1.5 (PMID: 16377619, PMID: 19136008).</skos:definition>
        <skos:notation>P00000628</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000629 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000629">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000498"/>
        <oboInOwl:hasDbXref>http://www.iiserpune.ac.in/~coee/histome/ptm_sp.php?ptm_sp=H1T137ph</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000629</oboInOwl:id>
        <rdfs:label>H1T137 Phosphorylation</rdfs:label>
        <skos:altLabel>H1T137p</skos:altLabel>
        <skos:altLabel>H1T137ph</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000629"/>
        <skos:definition>Mitosis-specific phosphorylation in H1.5 (PMID: 16377619, PMID: 19007248).</skos:definition>
        <skos:notation>P00000629</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000630 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000630">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000498"/>
        <oboInOwl:hasDbXref>http://www.iiserpune.ac.in/~coee/histome/ptm_sp.php?ptm_sp=H1T145ph</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000630</oboInOwl:id>
        <rdfs:label>H1T145 Phosphorylation</rdfs:label>
        <skos:altLabel>H1T145p</skos:altLabel>
        <skos:altLabel>H1T145ph</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000630"/>
        <skos:definition>Histone H1 T145 (reported as H1T146) is phosphorylated exclusively during mitosis (PMID: 20439994).</skos:definition>
        <skos:notation>P00000630</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000631 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000631">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000498"/>
        <oboInOwl:hasDbXref>http://www.iiserpune.ac.in/~coee/histome/ptm_sp.php?ptm_sp=H1T153ph</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000631</oboInOwl:id>
        <rdfs:label>H1T153 Phosphorylation</rdfs:label>
        <skos:altLabel>H1T153p</skos:altLabel>
        <skos:altLabel>H1T153ph</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000631"/>
        <skos:definition>This site is phosphorylated exclusively during mitosis (PMID: 20439994).</skos:definition>
        <skos:notation>P00000631</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000632 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000632">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000498"/>
        <oboInOwl:hasDbXref>http://www.iiserpune.ac.in/~coee/histome/ptm_sp.php?ptm_sp=H1T154ph</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000632</oboInOwl:id>
        <rdfs:label>H1T154 Phosphorylation</rdfs:label>
        <skos:altLabel>H1T154p</skos:altLabel>
        <skos:altLabel>H1T154ph</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000632"/>
        <skos:definition>Mitosis-specific phosphorylation in H1.5 (PMID: 16377619).</skos:definition>
        <skos:notation>P00000632</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000633 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000633">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000498"/>
        <oboInOwl:hasDbXref>http://www.iiserpune.ac.in/~coee/histome/ptm_sp.php?ptm_sp=H1T17ph</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000633</oboInOwl:id>
        <rdfs:label>H1T17 Phosphorylation</rdfs:label>
        <skos:altLabel>H1T17p</skos:altLabel>
        <skos:altLabel>H1T17ph</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000633"/>
        <skos:definition>This site is phosphorylated exclusively during mitosis (PMID: 20439994).</skos:definition>
        <skos:notation>P00000633</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000634 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000634">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000498"/>
        <oboInOwl:hasDbXref>http://www.iiserpune.ac.in/~coee/histome/ptm_sp.php?ptm_sp=H1T30ph</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000634</oboInOwl:id>
        <rdfs:label>H1T30 Phosphorylation</rdfs:label>
        <skos:altLabel>H1T30p</skos:altLabel>
        <skos:altLabel>H1T30ph</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000634"/>
        <skos:definition>This site is phosphorylated exclusively during mitosis (PMID: 20439994).</skos:definition>
        <skos:notation>P00000634</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000635 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000635">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000498"/>
        <oboInOwl:hasDbXref>http://www.iiserpune.ac.in/~coee/histome/ptm_sp.php?ptm_sp=H1S172ph</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000635</oboInOwl:id>
        <rdfs:label>H1S172 Phosphorylation</rdfs:label>
        <skos:altLabel>H1S172p</skos:altLabel>
        <skos:altLabel>H1S172ph</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000635"/>
        <skos:definition>Phosphorylated on H1.2 during interphase and mitosis (PMID: 20439994). Exclusively phosphorylated on H1.5 during interphase (PMID: 16377619).</skos:definition>
        <skos:notation>P00000635</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000636 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000636">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000499"/>
        <oboInOwl:hasDbXref>http://www.iiserpune.ac.in/~coee/histome/ptm_sp.php?ptm_sp=H2AS137ph</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000636</oboInOwl:id>
        <rdfs:label>H2AS137 Phosphorylation</rdfs:label>
        <skos:altLabel>H2AS137p</skos:altLabel>
        <skos:altLabel>H2AS137ph</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000636"/>
        <skos:definition>Macro H2A is found to be enriched on inactive X chromosome but its phosphorylation at S137 leads to the exclusion of this variant from the heterochromatic region, suggesting its unique role in chromatin regulation beyond X inactivation. S137 phosphorylation is enriched during mitosis phase. Thus suggesting its role in normal cell cycle progression (PMID: 18227505).</skos:definition>
        <skos:notation>P00000636</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000637 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000637">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000499"/>
        <oboInOwl:hasDbXref>http://www.iiserpune.ac.in/~coee/histome/ptm_sp.php?ptm_sp=H2AY142ph</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000637</oboInOwl:id>
        <rdfs:label>H2AY142 Phosphorylation</rdfs:label>
        <skos:altLabel>H2AY142p</skos:altLabel>
        <skos:altLabel>H2AY142ph</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000637"/>
        <skos:definition>Tyrosine 142 phosphorylation is mediated by WSTF tyrosine kinase which has no homology to any known kinase fold. This represents a separate mechanism for DNA damage response other than S139 phosphorylation of H2A.X.(PMID: 19092802).</skos:definition>
        <skos:notation>P00000637</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000638 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000638">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000501"/>
        <oboInOwl:hasDbXref>http://www.iiserpune.ac.in/~coee/histome/ptm_sp.php?ptm_sp=H3S31ph</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000638</oboInOwl:id>
        <rdfs:label>H3S31 Phosphorylation</rdfs:label>
        <skos:altLabel>H3S31p</skos:altLabel>
        <skos:altLabel>H3S31ph</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000638"/>
        <skos:definition>H3.3 S31 phosphorylation is observed only in late prometaphase and metaphase and is absent in anaphase. H3.3 S31ph is localized in distinct chromosomal regions immediately adjacent to centromeres (PMID: 15851689).</skos:definition>
        <skos:notation>P00000638</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000639 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000639">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000501"/>
        <oboInOwl:hasDbXref>http://www.iiserpune.ac.in/~coee/histome/ptm_sp.php?ptm_sp=H3S6ph</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000639</oboInOwl:id>
        <rdfs:label>H3S6 Phosphorylation</rdfs:label>
        <skos:altLabel>H3S6p</skos:altLabel>
        <skos:altLabel>H3S6ph</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000639"/>
        <skos:definition>CENP-A Serine 6 mutant cells show delay in cytokinesis. CENP-A is an essential histone H3-like kinetochore protein incorporated specifically at active centromeres. Thus phosphorylated S6 in kinetochore plays an important role in regulation of cytokinesis (PMID: 11756469). The initial phosphorylation of CENP-A on Ser-6 during prophase is mediated by Aurora-A, but the maintenance of this residue in the phosphorylated state during prometaphase is dependent on Aurora-B and seems to require prior phosphorylation of CENP-A by Aurora-A (PMID: 14667408).</skos:definition>
        <skos:notation>P00000639</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000719 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000719">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000097"/>
        <oboInOwl:id>P00000719</oboInOwl:id>
        <rdfs:label>Histone H2A O-GlcNAcylation</rdfs:label>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000721"/>
        <skos:definition>A histone modification site where the modification is the covalent linkage of N-acetylglucosamine (GlcNAc) to a residue on histone H2A.</skos:definition>
        <skos:notation>P00000719</skos:notation>
    </owl:Class>
    


    <!-- https://pat.nichd.nih.gov/patepigeneticprocess/P00000720 -->

    <owl:Class rdf:about="https://pat.nichd.nih.gov/patepigeneticprocess/P00000720">
        <rdfs:subClassOf rdf:resource="https://pat.nichd.nih.gov/patepigeneticprocess/P00000719"/>
        <oboInOwl:hasDbXref>https://www.ncbi.nlm.nih.gov/pubmed/27615797</oboInOwl:hasDbXref>
        <oboInOwl:id>P00000720</oboInOwl:id>
        <rdfs:label>H2AS40 O-GlcNAcylation</rdfs:label>
        <skos:altLabel>H2A-S40Gc</skos:altLabel>
        <skos:altLabel>H2AS40 O-GlcNAcylation Site</skos:altLabel>
        <skos:altLabel>H2AS40Gc</skos:altLabel>
        <skos:altLabel>O-linked-N-acetylglucosamine (O-GlcNAc) modification of histone H2A at Ser(40)</skos:altLabel>
        <skos:closeMatch rdf:resource="https://pat.nichd.nih.gov/patepigeneticentity/P00000722"/>
        <skos:definition>A histone modification where the modification is the covalent linkage of N-acetylglucosamine (GlcNAc) to a serine 40 on histone H2A.</skos:definition>
        <skos:notation>P00000720</skos:notation>
    </owl:Class>
    


    <!-- 
    ///////////////////////////////////////////////////////////////////////////////////////
    //
    // Annotations
    //
    ///////////////////////////////////////////////////////////////////////////////////////
     -->

    <rdf:Description rdf:about="http://www.w3.org/2000/01/rdf-schema#subClassOf">
        <rdfs:label>Sub Class Of</rdfs:label>
    </rdf:Description>
    


    <!-- 
    ///////////////////////////////////////////////////////////////////////////////////////
    //
    // General axioms
    //
    ///////////////////////////////////////////////////////////////////////////////////////
     -->

    <rdf:Description>
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<!-- Generated by the OWL API (version 4.5.18) https://github.com/owlcs/owlapi -->

