NH2 - Ala - Thr - Cys - Asp - Leu - Phe - Ser - Phe - Glu - Ser - Lys - Trp - Phe - Thr - Pro - Asn - His - Ala - Ala - Cys - Ala - Ala - His - Cys - Ile - Leu - Leu - Gly - Asn - Arg - Gly - Gly - His - Cys - Val - Gly - Thr - Val - Cys - His - Cys - Arg - Lys - COOH