Predicted to enable DNA-binding transcription factor activity, RNA polymerase II-specific and RNA polymerase II cis-regulatory region sequence-specific DNA binding activity. Acts upstream of or within skeletal muscle cell differentiation. Predicted to be active in nucleus. Is expressed in several structures, including alimentary system; brain; early conceptus; genitourinary system; and respiratory system. Orthologous to human ZNF689 (zinc finger protein 689). [provided by Alliance of Genome Resources, Apr 2022]