Predicted to enable DNA-binding transcription factor activity, RNA polymerase II-specific and RNA polymerase II cis-regulatory region sequence-specific DNA binding activity. Predicted to be involved in regulation of transcription by RNA polymerase II. Predicted to act upstream of or within skeletal muscle cell differentiation. Predicted to be active in nucleus. Orthologous to human ZNF689 (zinc finger protein 689). [provided by Alliance of Genome Resources, Apr 2022]