PRC1 complex
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.
GO:0000152
nuclear ubiquitin ligase complex
is_a
GO:0031519
PcG protein complex
is_a
Polycomb repressive complex 1
exact