氨基酸序列 Arg-Arg-Glu-Ala-Glu-Asp-L?eu-Gln-Val-Gly-Gln-Val-Gl?u-Leu-Gly-Gly-Gly-Pro-Gly?-Ala-Gly-Ser-Leu-Gln-Pro-?Leu-Ala-Leu-Glu-Gly-Ser-L?eu-Gln-Lys-Arg
