FUNCTION: Component of a Polycomb group (PcG) multiprotein PRC1-like complex, a complex class required to maintain the transcriptionally repressive state of many genes, including Hox genes, throughout development. PcG PRC1 complex acts via chromatin remodeling and modification of histones; it mediat...
                        FUNCTION: Component of a Polycomb group (PcG) multiprotein PRC1-like complex, a complex class required to maintain the transcriptionally repressive state of many genes, including Hox genes, throughout development. PcG PRC1 complex acts via chromatin remodeling and modification of histones; it mediates monoubiquitination of histone H2A 'Lys-119', rendering chromatin heritably changed in its expressibility. Promotes histone H3 trimethylation at 'Lys-9' (H3K9me3). Binds to trimethylated lysine residues in histones, and possibly also other proteins. Regulator of cellular lifespan by maintaining the repression of CDKN2A, but not by inducing telomerase activity. {ECO:0000269|PubMed:19636380, ECO:0000269|PubMed:21047797, ECO:0000269|PubMed:21060834, ECO:0000269|PubMed:21282530}.
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                        GO - Biological processes (BP): 
                        chromatin organization [GO:0006325]; developmental process involved in reproduction [GO:0003006]; negative regulation of transcription by RNA polymerase II [GO:0000122]; positive regulation of transcription elongation from RNA polymerase II promoter [GO:0032968]; response to xenobiotic stimulus [GO:...
                        chromatin organization [GO:0006325]; developmental process involved in reproduction [GO:0003006]; negative regulation of transcription by RNA polymerase II [GO:0000122]; positive regulation of transcription elongation from RNA polymerase II promoter [GO:0032968]; response to xenobiotic stimulus [GO:0009410]
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                        GO - Molecular function (MF): 
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                        GO - Cellular component (CC): 
                        chromatin [GO:0000785]; cytosol [GO:0005829]; nucleoplasm [GO:0005654]; nucleus [GO:0005634]; PcG protein complex [GO:0031519]; PRC1 complex [GO:0035102]...
                        chromatin [GO:0000785]; cytosol [GO:0005829]; nucleoplasm [GO:0005654]; nucleus [GO:0005634]; PcG protein complex [GO:0031519]; PRC1 complex [GO:0035102]
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