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