Enables DNA binding activity; DNA-binding transcription repressor activity; and identical protein binding activity. Involved in several processes, including hepatocyte differentiation; regulation of cell cycle process; and trophoblast giant cell differentiation. Acts upstream of or within cell population proliferation. Located in nucleus. Is expressed in central nervous system and retina. Orthologous to human E2F8 (E2F transcription factor 8). [provided by Alliance of Genome Resources, Apr 2022]