氨基酸序列 Phe-Thr-Leu-Ser-Leu-Asp-V?al-Pro-Thr-Asn-Ile-Met-As?n-Leu-Leu-Phe-Asn-Ile-Ala?-Lys-Ala-Lys-Asn-Leu-Arg-?Ala-Gln-Ala-Ala-Ala-Asn-A?la-His-Leu-Met-Ala-Gln-Il?e-NH2
