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NameSex hormone-binding globulin
Synonyms
  • ABP
  • SBP
  • Sex steroid-binding protein
  • SHBG
  • TeBG
  • Testis-specific androgen-binding protein
  • Testosterone-estradiol-binding globulin
  • Testosterone-estrogen-binding globulin
Gene NameSHBG
OrganismHuman
Amino acid sequence
>lcl|BSEQ0001366|Sex hormone-binding globulin
MESRGPLATSRLLLLLLLLLLRHTRQGWALRPVLPTQSAHDPPAVHLSNGPGQEPIAVMT
FDLTKITKTSSSFEVRTWDPEGVIFYGDTNPKDDWFMLGLRDGRPEIQLHNHWAQLTVGA
GPRLDDGRWHQVEVKMEGDSVLLEVDGEEVLRLRQVSGPLTSKRHPIMRIALGGLLFPAS
NLRLPLVPALDGCLRRDSWLDKQAEISASAPTSLRSCDVESNPGIFLPPGTQAEFNLRDI
PQPHAEPWAFSLDLGLKQAAGSGHLLALGTPENPSWLSLHLQDQKVVLSSGSGPGLDLPL
VLGLPLQLKLSMSRVVLSQGSKMKALALPPLGLAPLLNLWAKPQGRLFLGALPGEDSSTS
FCLNGLWAQGQRLDVDQALNRSHEIWTHSCPQSPGNGTDASH
Number of residues402
Molecular Weight43778.755
Theoretical pI6.7
GO Classification
Functions
  • androgen binding
Processes
  • primary spermatocyte growth
Components
  • extracellular region
  • extracellular exosome
General FunctionAndrogen binding
Specific FunctionFunctions as an androgen transport protein, but may also be involved in receptor mediated processes. Each dimer binds one molecule of steroid. Specific for 5-alpha-dihydrotestosterone, testosterone, and 17-beta-estradiol. Regulates the plasma metabolic clearance rate of steroid hormones by controlling their plasma concentration.
Pfam Domain Function
Transmembrane RegionsNot Available
GenBank Protein ID296673
UniProtKB IDP04278
UniProtKB Entry NameSHBG_HUMAN
Cellular LocationSecreted
Gene sequence
>lcl|BSEQ0010477|Sex hormone-binding globulin (SHBG)
ATGGAGAGCAGAGGCCCACTGGCTACCTCGCGCCTGCTGCTGTTGCTGCTGTTGCTACTA
CTGCGTCACACCCGCCAGGGATGGGCCCTGAGACCTGTTCTCCCCACCCAGAGTGCCCAC
GACCCTCCGGCTGTCCACCTCAGCAATGGCCCAGGACAAGAGCCTATCGCTGTCATGACC
TTTGACCTCACCAAGATCACAAAAACCTCCTCCTCCTTTGAGGTTCGAACCTGGGACCCA
GAGGGAGTGATTTTTTATGGGGATACCAACCCTAAGGATGACTGGTTTATGCTGGGACTT
CGAGACGGCAGGCCTGAGATCCAACTGCACAATCACTGGGCCCAGCTTACGGTGGGTGCT
GGACCACGGCTGGATGATGGGAGATGGCACCAGGTGGAAGTCAAGATGGAGGGGGACTCT
GTGCTGCTGGAGGTGGATGGGGAGGAGGTGCTGCGCCTGAGACAGGTCTCTGGGCCCCTG
ACCAGCAAACGCCATCCCATCATGAGGATTGCGCTTGGGGGGCTGCTCTTCCCCGCTTCC
AACCTTCGGTTGCCGCTGGTTCCTGCCCTGGATGGCTGCCTGCGCCGGGATTCCTGGCTG
GACAAACAGGCCGAGATCTCAGCATCTGCCCCCACTAGCCTCAGAAGCTGTGATGTAGAA
TCAAATCCCGGGATATTTCTCCCTCCAGGGACTCAGGCAGAATTCAATCTCCGAGACATT
CCCCAGCCTCATGCAGAGCCCTGGGCCTTCTCTTTGGACCTGGGACTCAAGCAGGCAGCA
GGCTCAGGCCACCTCCTTGCTCTTGGGACACCAGAGAACCCATCTTGGCTCAGTCTCCAC
CTCCAAGATCAAAAGGTGGTGTTGTCTTCTGGGTCGGGGCCAGGGCTGGATCTGCCCCTG
GTCTTGGGACTCCCTCTTCAGCTGAAGCTGAGTATGTCCAGGGTGGTCTTGAGCCAAGGG
TCGAAGATGAAGGCCCTTGCCCTGCCTCCCTTAGGCCTGGCTCCCCTCCTTAACCTCTGG
GCCAAGCCTCAAGGGCGTCTCTTCCTGGGGGCTTTACCAGGAGAAGACTCTTCCACCTCT
TTTTGCCTGAATGGCCTTTGGGCACAAGGTCAGAGGCTGGATGTGGACCAGGCCCTGAAC
AGAAGCCATGAGATCTGGACTCACAGCTGCCCCCAGAGCCCAGGCAATGGCACTGACGCT
TCCCATTAA
GenBank Gene IDX16349
GeneCard IDNot Available
GenAtlas IDSHBG
HGNC IDHGNC:10839
Chromosome Location17
Locus17p13-p12
References
  1. Gershagen S, Lundwall A, Fernlund P: Characterization of the human sex hormone binding globulin (SHBG) gene and demonstration of two transcripts in both liver and testis. Nucleic Acids Res. 1989 Nov 25;17(22):9245-58. 2587256
  2. Hammond GL, Underhill DA, Rykse HM, Smith CL: The human sex hormone-binding globulin gene contains exons for androgen-binding protein and two other testicular messenger RNAs. Mol Endocrinol. 1989 Nov;3(11):1869-76. 2608061
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  6. Hammond GL, Underhill DA, Smith CL, Goping IS, Harley MJ, Musto NA, Cheng CY, Bardin CW: The cDNA-deduced primary structure of human sex hormone-binding globulin and location of its steroid-binding domain. FEBS Lett. 1987 May 4;215(1):100-4. 3569533
  7. Gershagen S, Fernlund P, Lundwall A: A cDNA coding for human sex hormone binding globulin. Homology to vitamin K-dependent protein S. FEBS Lett. 1987 Aug 10;220(1):129-35. 2956126
  8. Que BG, Petra PH: Characterization of a cDNA coding for sex steroid-binding protein of human plasma. FEBS Lett. 1987 Jul 27;219(2):405-9. 2956125
  9. Hammond GL, Robinson PA, Sugino H, Ward DN, Finne J: Physicochemical characteristics of human sex hormone binding globulin: evidence for two identical subunits. J Steroid Biochem. 1986 Apr;24(4):815-24. 3702459
  10. Walsh KA, Titani K, Takio K, Kumar S, Hayes R, Petra PH: Amino acid sequence of the sex steroid binding protein of human blood plasma. Biochemistry. 1986 Nov 18;25(23):7584-90. 3542030
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  13. Power SG, Bocchinfuso WP, Pallesen M, Warmels-Rodenhiser S, Van Baelen H, Hammond GL: Molecular analyses of a human sex hormone-binding globulin variant: evidence for an additional carbohydrate chain. J Clin Endocrinol Metab. 1992 Oct;75(4):1066-70. 1400872
  14. Grishkovskaya I, Avvakumov GV, Sklenar G, Dales D, Hammond GL, Muller YA: Crystal structure of human sex hormone-binding globulin: steroid transport by a laminin G-like domain. EMBO J. 2000 Feb 15;19(4):504-12. 10675319
  15. Grishkovskaya I, Avvakumov GV, Hammond GL, Catalano MG, Muller YA: Steroid ligands bind human sex hormone-binding globulin in specific orientations and produce distinct changes in protein conformation. J Biol Chem. 2002 Aug 30;277(35):32086-93. Epub 2002 Jun 13. 12065592
  16. Hardy DO, Carino C, Catterall JF, Larrea F: Molecular characterization of a genetic variant of the steroid hormone-binding globulin gene in heterozygous subjects. J Clin Endocrinol Metab. 1995 Apr;80(4):1253-6. 7714097
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