A multiprotein complex that mediates monoubiquitination of lysine residues of histone H2A (lysine-118 in Drosophila or lysine-119 in mammals). The complex is required for stable long-term maintenance of transcriptionally repressed states and is involved in chromatin remodeling. (Gene Ontology, GO_0035102)
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8 proteins comprising PRC1 complex assembly using integrated AP-MS and IF data from the CM4AI U2OS Cell Map Protein Localization Assemblies dataset.