CIR1 - Corepressor Interacting With RBPJ, CIR1

Enables histone deacetylase binding activity; protein kinase binding activity; and transcription corepressor activity. Acts upstream of or within negative regulation of transcription by RNA polymerase II. Located in nuclear speck. Part of protein-containing complex. Colocalizes with centrosome. [provided by Alliance of Genome Resources, Apr 2022]