H-Asp-Thr-His-Phe-Pro-Ile-Cys-Ile-Phe-Cys-Cys-Gly-Cys-Cys-His-Arg-Ser-Lys-Cys-Gly-Met-Cys-Cys-Lys-Thr-OH Trifluoroacetate (Disulfide bonds between Cys⁷ and Cys²³/Cys¹⁰ and Cys¹³/Cys¹¹ and Cys¹⁹/Cys¹⁴ and Cys²²)