H-Cys-Thr-Cys-Phe-Thr-Tyr-Lys-Asp-Lys-Glu-Cys-Val-Tyr-Tyr-Cys-His-Leu-Asp-Ile-Ile-Trp-OH Acetate (Disulfide bonds between Cys¹ and Cys¹⁵/Cys³ and Cys¹¹)