H-Phe-Pro-Met-Phe-Lys-Arg-Gly-Arg-Cys-Leu-Cys-Ile-Gly-Pro-Gly-Val-Lys-Ala-Val-Lys-Val-Ala-Asp-Ile-Glu-Lys-Ala-Ser-Ile-Met-Tyr-Pro-Ser-Asn-Asn-Cys-Asp-Lys-Ile-Glu-Val-Ile-Ile-Thr-Leu-Lys-Glu-Asn-Lys-Gly-Gln-Arg-Cys-Leu-Asn-Pro-Lys-Ser-Lys-Gln-Ala-Arg-Leu-Ile-Ile-Lys-Lys-Val-Glu-Arg-Lys-Asn-Phe-OH (Disulfide bonds between Cys⁹ and Cys³⁶/Cys¹¹ and Cys⁵³)