Predicted to enable DNA binding activity. Predicted to be involved in positive regulation of transcription by RNA polymerase II. Predicted to act upstream of or within positive regulation of histone methylation; positive regulation of myoblast proliferation; and regulation of skeletal muscle satellite cell proliferation. Predicted to be active in nucleus. Orthologous to human PAXBP1 (PAX3 and PAX7 binding protein 1). [provided by Alliance of Genome Resources, Apr 2022]