Predicted to enable metal ion binding activity. Involved in cell fate specification and negative regulation of transcription by RNA polymerase II. Predicted to be located in nucleus. Expressed in cholinergic neurons and in male. Human ortholog(s) of this gene implicated in primary ovarian insufficiency 16. Is an ortholog of human BNC1 (basonuclin zinc finger protein 1) and BNC2 (basonuclin zinc finger protein 2).