Tags: Protein.
Vasoactive intestinal peptide also known as the vasoactive intestinal polypeptide or VIP is a peptide hormone containing 28 amino acid residues.VIP is neuropeptide that belongs to a glucagon/secretin superfamily the ligand of class II G protein-coupled receptors.VIP is produced in many tissues of vertebrates including the gut pancreas and suprachiasmatic nuclei of the hypothalamus in the brain.