Description: Peptide to PACAP (6-38), Human, Ovine, Rat Form: Lyophilized powder Alternative Names: Pituitary Adenylate Cyclase Activating Polypeptide-38 (6-38) (human, chicken, mouse, ovine, porcine, rat)CAS Number : 143748-18-9Molecular Formula : C203H331N63O65SMolecular Weight : 4534.4Purity : > 95%Chemical Structure : His-Ser-Asp-Gly-Ile-Phe-Thr-Asp-Ser-Tyr-Ser-Arg-Tyr-Arg-Lys-Gln-Met-Ala-Val-Lys-Lys-Tyr-Leu-Ala-Ala-Val-Leu-Gly-Lys-Arg-Tyr-Lys-Gln-Arg-Val-Lys-Asn-Lys-NH2Application : The PACAP selective antagonist, PACAP (6-38), is a much more potent and selective inhibitor of PACAP-27-stimulated pituitary adenylate cyclase than PACAP (6-27). Ki values for the inhibition of the enzyme were 7 nM and 150 nM respectively.Storage/Stability : Shipped at 4°C. Store at -20°C for one year.