Predicted to enable transcription corepressor activity. Acts upstream of or within several processes, including associative learning; central nervous system development; and skeletal muscle cell differentiation. Predicted to be active in cytoplasm and nucleus. Is expressed in several structures, including alimentary system; central nervous system; eye; genitourinary system; and immune system. Orthologous to human BTG2 (BTG anti-proliferation factor 2). [provided by Alliance of Genome Resources, Apr 2022]