| gptkbp:instanceOf | gptkb:protein gptkb:epigenetic_regulator
 
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                                | gptkbp:amendedBy | histone H2A lysine 119 histone H3 lysine 27
 
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                                | gptkbp:associatedWith | histone methylation histone ubiquitination
 
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                                | gptkbp:binds | chromatin 
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                                | gptkbp:component | gptkb:Polycomb_repressive_complex_1 gptkb:Polycomb_repressive_complex_2
 
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                                | gptkbp:discoveredIn | gptkb:Drosophila_melanogaster 
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                                | gptkbp:enemyOf | gptkb:Trithorax_group_proteins 
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                                | gptkbp:firstDescribed | 1947 
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                                | gptkbp:foundIn | animals fungi
 plants
 
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                                | gptkbp:function | gene silencing chromatin modification
 
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                                | gptkbp:inhibitedBy | transcription 
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                                | gptkbp:involvedIn | cancer progression cell fate determination
 stem cell maintenance
 developmental regulation
 
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                                | gptkbp:involves | gptkb:X-chromosome_inactivation embryonic development
 cellular senescence
 imprinting
 neurogenesis
 tumorigenesis
 hematopoiesis
 epigenetic memory
 
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                                | gptkbp:locale | gptkb:nucleus 
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                                | gptkbp:namedAfter | gptkb:Polycomb_gene 
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                                | gptkbp:opposedBy | gptkb:Trithorax_group_proteins 
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                                | gptkbp:proteinFamily | gptkb:PcG 
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                                | gptkbp:regulates | gptkb:Hox_genes 
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                                | gptkbp:studiedIn | cancer research developmental biology
 epigenetics
 
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                                | gptkbp:subunit | gptkb:EED gptkb:EZH2
 gptkb:RING1B
 gptkb:SUZ12
 BMI1
 
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                                | gptkbp:target | long non-coding RNAs microRNAs
 
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                                | gptkbp:bfsParent | gptkb:EZH3 gptkb:GAGA
 
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                                | gptkbp:bfsLayer | 7 
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                                | https://www.w3.org/2000/01/rdf-schema#label | Polycomb group proteins 
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