Cys Tyr Cys Arg Ile Pro Ala Cys Ile Ala Gly Glu Arg Arg Tyr Gly
Thr Cys Ile Tyr Gln Gly Arg Leu Trp Ala Phe Cys Cys
(Disulfide bridge: 1-29; 3-18; 8-28)