绒毛膜促性腺激素β亚基

绒毛膜促性腺激素β亚基（英語：，CG-beta，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[1][2][3]。

Chorionic gonadotropin, beta polypeptide 绒毛膜促性腺激素，β多肽
PDB rendering based on 1hcn.
有效结构 PDB 直系同源检索：PDBe, RCSB PDB查询代码列表 1HCN, 1HRP, 1QFW
标识
代号	CGB; CGB3; CGB5; CGB7; CGB8; hCGB
扩展标识	遗传学：118860 同源基因：37338 GeneCards: CGB Gene
基因本体论描述 分子功能 · hormone activity 细胞成分 · extracellular region 生物过程 · apoptotic process · signal transduction · cell-cell signaling · female gamete generation · peptide hormone processing · cellular protein metabolic process Sources: Amigo / QuickGO
直系同源体
物种	人类	小鼠
Entrez	1082	n/a
Ensembl	ENSG00000104827	n/a
UniProt	P01233	n/a
mRNA序列	NM_000737	n/a
蛋白序列	NP_000728	n/a
基因位置	Chr 19: 49.53 – 49.53 Mb	n/a
PubMed查询		n/a

β肽链的145个氨基酸残基的序列为：

NH₂ - 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