Sequence: ()
A Chain:
pGlu-Asp-Leu-Gln-Thr-Leu-Cys-Cys-Thr-Asp-Gly-Cys-Ser-Met-Thr-Asp-Leu-Ser-Ala-Leu-Cys
B Chain:
Arg-Ala-Ala-Pro-Tyr-Gly-Val-Arg-Leu-Cys-Gly-Arg-Glu-Phe-Ile-Arg-Ala-Val-Ile-Phe-Thr-Cys-Arg
Disulfide bridge(s): C7-C12 of Achain, C8 of Achain-C10 of Bchain & C21 of Achain-C22 of Bchain