H-Gly-Ile-Cys-Ala-Cys-Arg-Arg-Arg-Phe-Cys-Pro-Asn-Ser-Glu-Arg-Phe-Ser-Gly-Tyr-Cys-Arg-Val-Asn-Gly-Ala-Arg-Tyr-Val-Arg-Cys-Cys-Ser-Arg-Arg-OH Trifluoroacetate (Disulfide bonds between Cys³ and Cys³¹/Cys⁵ and Cys²⁰/Cys¹⁰ and Cys³⁰)