Cys-Thr-Cys-Lys-Asp-Met-Thr-Asp-Glu-Glu-Cys-Leu-Asn-Phe-Cys-His-Gln-Asp-Val-Ile-Trp [Disulfide bridge Cys1-15. 3-11]
C₁₀₅H₁₅₃N₂₇O₃₆S₅