H-Tyr-Leu-Gly-Ala-Ser-Val-Pro-Ser-Pro-Asp-Pro-Leu-Glu-Pro-Thr-Arg-Glu-Gln-Cys-Glu-Leu-Asn-Pro-Ala-Cys-Asp-Glu-Leu-Ser-Asp-Gln-Tyr-Gly-Leu-Lys-Thr-Ala-Tyr-Lys-Arg-Ile-Tyr-Gly-Ile-Thr-Ile-OH Trifluoroacetate (Disulfide bond)