Predicted to enable chromatin binding activity and histone binding activity. Predicted to be involved in negative regulation of transcription, DNA-templated. Part of PcG protein complex. Is expressed in several structures, including adipose tissue; alimentary system; brain; genitourinary system; and hemolymphoid system gland. Orthologous to human PHC3 (polyhomeotic homolog 3). [provided by Alliance of Genome Resources, Apr 2022]