Tags: Protein.
Heart- and neural crest derivatives-expressed protein 1 is a protein that in humans is encoded by the HAND1 gene.The protein encoded by this gene belongs to the basic helix-loop-helix family of transcription factors. This gene product is one of two closely related family members the HAND proteins are expressed within the developing ventricular chambers cardiac neural crest endocardium (HAND2 only) and epicardium (HAND2 only) .