Transcriptional repressor. May repress NR5A1, PPARG, NR1H3, NR4A2, ESR1 and NR3C1 transcriptional activity. Interacts with NR5A1. Highly expressed in testis, cerebellum, temporal lobe, hippocampus and the adrenal gland. Moderately expressed in spleen, uterus, thymus, pancreas, kidney, stomach and rectum. Belongs to the krueppel C2H2-type zinc-finger protein family.