絨毛膜促性腺激素β亞基

絨毛膜促性腺激素β亞基（英語：Choriogonadotropin subunit beta，CG-beta，也被稱為絨毛膜促性腺激素，β肽鏈 chorionic gonadotrophin chain beta） 是一個由人類基因CGB 編碼的蛋白質^[1][2][3]。

Chorionic gonadotropin, beta polypeptide 絨毛膜促性腺激素，β多肽
PDB rendering based on 1hcn.
有效結構 PDB 直系同源檢索：PDBe, RCSB PDB查詢代碼列表 1HCN, 1HRP, 1QFW
標識
代號	CGB; CGB3; CGB5; CGB7; CGB8; hCGB
擴展標識	遺傳學：118860 同源基因：37338 GeneCards: CGB Gene
基因本體論描述 分子功能 · hormone activity 細胞成分 · extracellular region 生物過程 · apoptotic process · signal transduction · cell-cell signaling · female gamete generation · peptide hormone processing · cellular protein metabolic process Sources: Amigo / QuickGO
直系同源體
物種	人類	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查詢	[1]	n/a
閱 論 編

β肽鏈的145個胺基酸殘基的序列為：

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

參考文獻

1. Entrez Gene: chorionic gonadotropin.
2. Fiddes JC, Goodman HM. The cDNA for the beta-subunit of human chorionic gonadotropin suggests evolution of a gene by readthrough into the 3'-untranslated region. Nature. August 1980, 286 (5774): 684–7. PMID 6774259. doi:10.1038/286684a0.
3. Policastro P, Ovitt CE, Hoshina M, Fukuoka H, Boothby MR, Boime I. The beta subunit of human chorionic gonadotropin is encoded by multiple genes. J. Biol. Chem. October 1983, 258 (19): 11492–9. PMID 6194155.

絨毛膜促性腺激素β亞基引用了美國國家醫學圖書館提供的資料，這些資料屬於公共領域。