ELISA kits for the study of the target, SREBP-1c are available in ready-to-use formats. The protein is also known as sterol regulatory element binding transcription factor 1 or SREBF1. It is a 1147-residue protein with a nuclear localization. In addition, up to 6 isoforms have been discovered. Other alias names for this target include: bHLHd1, SREBP1, class D basic helix-loop-helix protein 1, and sterol regulatory element-binding protein 1.