绒毛膜促性腺激素β亚基 绒毛膜促性腺激素β亚基英語Choriogonadotropin subunit betaCGbeta也被称为绒毛膜促性腺激素β肽链 chorionic gonadotrophin chain beta 是一个由人类基因CGB 编码的蛋白质 β肽链的个氨基酸残基的序列为 NH  Ser  Lys  Glu  Pro  Leu  Arg  Pro  Arg  Cys  Arg  Pro  Ile  Asn  Ala  Thr  Leu  Ala  Val  Glu  Lys  Glu  Gly  Cys  Pro  Val  Cys  Ile  Thr  Val  Asn  Thr  Thr  Ile  Cys  Ala  Gly  Tyr  Cys  Pro  Thr  Met  Thr  Arg  Val  Leu  Gln  Gly  Val  Leu  Pro  Ala  Leu  Pro  Gln  Val  Val  Cys  Asn  Tyr  Arg  Asp  Val  Arg  Phe  Glu  Ser  Ile  Arg  Leu  Pro  Gly  Cys  Pro  Arg  Gly  Val  Asn  Pro  Val  Val  Ser  Tyr  Ala  Val  Ala  Leu  Ser  Cys  Gln  Cys  Ala  Leu  Cys  Arg  Arg  Ser  Thr  Thr  Asp  Cys  Gly  Gly  Pro  Lys  Asp  His  Pro  Leu  Thr  Cys  Asp  Asp  Pro  Arg  Phe  Gln  Asp  Ser  Ser  Ser  Ser  Lys  Ala  Pro  Pro  Pro  Ser  Leu  Pro  Ser  Pro  Ser  Arg  Leu  Pro  Gly  Pro  Ser  Asp  Thr  Pro  Ile  Leu  Pro  Gln  COOH