Porcine intestinal peptide (PHI-27) is a cleaved product from VIP peptides. PHI-27 causes vasodilation, lowers arterial blood pressure, stimulates myocardial contractility, increases glycogenolysis and relaxes the smooth muscle of trachea, stomach, and gall bladder.Porcine: H-His-Ala-Asp-Gly-Val-Phe-Thr-Ser-Asp-Phe-Ser-Arg-Leu-Leu-Gly-Gln-Leu-Ser-Ala-Lys-Lys-Tyr-Leu-Glu-Ser-Leu-Ile-NH2 or H-HADGVFTSDFSRLLGQLSAKKYLESLI-NH2