TRERF1Transcriptional-regulating factor 1 is a protein that in humans is encoded by the TRERF1 gene.This gene encodes a zinc-finger transcriptional regulating protein that interacts with CBP/p300 to regulate the human gene CYP11A1.InteractionsTRERF1 has been shown to interact with Steroidogenic [factor 1], EP300 and CREB-binding protein.