Predicted to enable chromatin binding activity; histone binding activity; and identical protein binding activity. Predicted to be involved in negative regulation of transcription, DNA-templated. Predicted to act upstream of or within spermatogenesis. Predicted to be located in heterochromatin and nucleoplasm. Predicted to be part of PRC1 complex. Predicted to be active in nucleus. Orthologous to human PHC2 (polyhomeotic homolog 2). [provided by Alliance of Genome Resources, Apr 2022]