Biology:CGB7

Short description: Protein-coding gene in the species Homo sapiens

Generic protein structure example

Choriogonadotropin subunit beta is a protein that in humans is encoded by the CGB7 gene.

This gene is a member of the glycoprotein hormone beta chain family and encodes the beta 7 subunit of chorionic gonadotropin (CG). Glycoprotein hormones are heterodimers consisting of a common alpha subunit and a unique beta subunit which confers biological specificity. CG is produced by the trophoblastic cells of the placenta and stimulates the ovaries to synthesize the steroids that are essential for the maintenance of pregnancy. The beta subunit of CG is encoded by 6 genes which are arranged in tandem and inverted pairs on chromosome 19q13.3 and contiguous with the luteinizing hormone beta subunit gene.

External links

• Human CGB7 genome location and CGB7 gene details page in the UCSC Genome Browser.

Further reading

• "The amino acid sequence of human chorionic gonadotropin. The alpha subunit and beta subunit". J. Biol. Chem. 250 (13): 5247–58. 1975. doi:10.1016/S0021-9258(19)41303-3. PMID 1150658. 
• "Identification of the transcriptionally active genes of the chorionic gonadotropin beta gene cluster in vivo". J. Biol. Chem. 267 (5): 3179–84. 1992. doi:10.1016/S0021-9258(19)50712-8. PMID 1371113. 
• "Role of disulfide bond formation in the folding of human chorionic gonadotropin beta subunit into an alpha beta dimer assembly-competent form". J. Biol. Chem. 265 (1): 312–7. 1990. doi:10.1016/S0021-9258(19)40231-7. PMID 1688430. 
• "Site-specific N-glycosylation of human chorionic gonadotrophin--structural analysis of glycopeptides by one- and two-dimensional 1H NMR spectroscopy". Glycobiology 1 (4): 393–404. 1992. doi:10.1093/glycob/1.4.393. PMID 1820200. 
• "A map of the hCG beta-LH beta gene cluster". J. Biol. Chem. 261 (13): 5907–16. 1986. doi:10.1016/S0021-9258(17)38469-7. PMID 2422163. 
• "Evolution of different transcriptional start sites in the human luteinizing hormone and chorionic gonadotropin beta-subunit genes". DNA 5 (3): 227–34. 1986. doi:10.1089/dna.1986.5.227. PMID 2424697. 
• "Identification of a promoter region in the CG beta gene cluster". J. Biol. Chem. 263 (15): 7322–9. 1988. doi:10.1016/S0021-9258(18)68645-4. PMID 2452822. 
• "Isolation and characterization of the human chorionic gonadotropin beta subunit (CG beta) gene cluster: regulation of transcriptionally active CG beta gene by cyclic AMP". Mol. Cell. Biol. 8 (12): 5100–7. 1989. doi:10.1128/MCB.8.12.5100. PMID 2468994. 
• "Human chorionic gonadotropin. Linear amino acid sequence of the beta subunit". J. Biol. Chem. 248 (19): 6810–27. 1973. doi:10.1016/S0021-9258(19)43425-X. PMID 4795659. 
• "The beta chorionic gonadotropin-beta luteinizing gene cluster maps to human chromosome 19". Hum. Genet. 67 (2): 174–7. 1984. doi:10.1007/BF00272995. PMID 6204923. 
• "Only three of the seven human chorionic gonadotropin beta subunit genes can be expressed in the placenta". Nucleic Acids Res. 12 (22): 8415–36. 1985. doi:10.1093/nar/12.22.8415. PMID 6209613. 
• "The human genome contains seven genes for the beta-subunit of chorionic gonadotropin but only one gene for the beta-subunit of luteinizing hormone". DNA 2 (4): 281–9. 1984. doi:10.1089/dna.1983.2.281. PMID 6319099. 
• "Evolution of the genes for the beta subunits of human chorionic gonadotropin and luteinizing hormone". Nature 307 (5946): 37–40. 1984. doi:10.1038/307037a0. PMID 6690982. Bibcode: 1984Natur.307...37T. 
• "The cDNA for the beta-subunit of human chorionic gonadotropin suggests evolution of a gene by readthrough into the 3'-untranslated region". Nature 286 (5774): 684–7. 1980. doi:10.1038/286684a0. PMID 6774259. Bibcode: 1980Natur.286..684F. 
• "Assignment of disulfide bonds in the beta subunit of human chorionic gonadotropin". J. Biol. Chem. 256 (13): 6587–92. 1981. doi:10.1016/S0021-9258(19)69030-7. PMID 7240231. 
• "The amino acid sequences of the prepeptides contained in the alpha and beta subunits of human choriogonadotropin". J. Biol. Chem. 256 (4): 1816–23. 1981. doi:10.1016/S0021-9258(19)69881-9. PMID 7462224. 
• "Tumorigenesis and metastasis of neoplastic Kaposi's sarcoma cell line in immunodeficient mice blocked by a human pregnancy hormone". Nature 375 (6526): 64–8. 1995. doi:10.1038/375064a0. PMID 7723844. Bibcode: 1995Natur.375...64L. https://zenodo.org/record/1233166. 
• "Crystal structure of human chorionic gonadotropin". Nature 369 (6480): 455–61. 1994. doi:10.1038/369455a0. PMID 8202136. Bibcode: 1994Natur.369..455L. 
• "Malignant transformation of nontrophoblastic cells is associated with the expression of chorionic gonadotropin beta genes normally transcribed in trophoblastic cells". Cancer Res. 57 (3): 516–23. 1997. PMID 9012484.