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 central nervous system development and regulation of transcription by RNA polymerase II. Predicted to act upstream of or within cell differentiation; forebrain development; and neural tube closure. Predicted to be active in nucleus. Orthologous to human ZIC5 (Zic family member 5). [provided by Alliance of Genome Resources, Apr 2022]