Enables double-stranded DNA binding activity. Involved in determination of adult lifespan and positive regulation of transcription by RNA polymerase II. Located in nucleus. Expressed in intestine; marginal cell;
pm6; and
pm7. Human ortholog(s) of this gene implicated in several diseases, including artery disease (multiple); congenital heart disease (multiple); and familial atrial fibrillation. Is an ortholog of human GATA5 (GATA binding protein 5).