H-Ala-Phe-Thr-Cys-His-Cys-Arg-Arg-Ser-Cys-Tyr-Ser-Thr-Glu-Tyr-Ser-Tyr-Gly-Thr-Cys-Thr-Val-Met-Gly-Ile-Asn-His-Arg-Phe-Cys-Cys-Leu-OH Trifluoroacetate (Disulfide bonds between Cys⁴ and Cys³¹/Cys⁶ and Cys²⁰/Cys¹⁰ and Cys³⁰)