Predicted to enable DNA-binding transcription repressor activity, RNA polymerase II-specific and RNA polymerase II cis-regulatory region sequence-specific DNA binding activity. Involved in several processes, including animal organ development; drinking behavior; and motor learning. Acts upstream of or within several processes, including embryonic forelimb morphogenesis; nervous system development; and regionalization. Predicted to be active in nucleus. Is expressed in several structures, including alimentary system; central nervous system; embryo mesenchyme; limb; and limb primordium. Human ortholog(s) of this gene implicated in Parkinson's disease. Orthologous to human EN1 (engrailed homeobox 1). [provided by Alliance of Genome Resources, Apr 2022]