Thyroxine-binding globulin

NameThyroxine-binding globulin
Synonyms
  • Serpin A7
  • T4-binding globulin
  • TBG
Gene NameSERPINA7
OrganismHuman
Amino acid sequence
>lcl|BSEQ0016123|Thyroxine-binding globulin
MSPFLYLVLLVLGLHATIHCASPEGKVTACHSSQPNATLYKMSSINADFAFNLYRRFTVE
TPDKNIFFSPVSISAALVMLSFGACCSTQTEIVETLGFNLTDTPMVEIQHGFQHLICSLN
FPKKELELQIGNALFIGKHLKPLAKFLNDVKTLYETEVFSTDFSNISAAKQEINSHVEMQ
TKGKVVGLIQDLKPNTIMVLVNYIHFKAQWANPFDPSKTEDSSSFLIDKTTTVQVPMMHQ
MEQYYHLVDMELNCTVLQMDYSKNALALFVLPKEGQMESVEAAMSSKTLKKWNRLLQKGW
VDLFVPKFSISATYDLGATLLKMGIQHAYSENADFSGLTEDNGLKLSNAAHKAVLHIGEK
GTEAAAVPEVELSDQPENTFLHPIIQIDRSFMLLILERSTRSILFLGKVVNPTEA
Number of residues415
Molecular Weight46324.12
Theoretical pI6.27
GO Classification
Functions
  • hormone binding
  • serine-type endopeptidase inhibitor activity
Processes
  • response to peptide hormone
  • post-embryonic development
  • thyroid hormone transport
  • response to corticosterone
  • negative regulation of endopeptidase activity
  • aging
  • response to vitamin A
  • response to prostaglandin E
  • response to drug
Components
  • extracellular space
  • extracellular exosome
  • extracellular region
General FunctionSerine-type endopeptidase inhibitor activity
Specific FunctionMajor thyroid hormone transport protein in serum.
Pfam Domain Function
Transmembrane RegionsNot Available
GenBank Protein ID338697
UniProtKB IDP05543
UniProtKB Entry NameTHBG_HUMAN
Cellular LocationSecreted
Gene sequence
>lcl|BSEQ0016124|Thyroxine-binding globulin (SERPINA7)
ATGTCACCATTCCTGTATCTGGTTCTCTTGGTACTTGGGCTTCATGCTACAATCCACTGT
GCATCACCTGAAGGCAAAGTAACAGCCTGCCATTCATCCCAACCAAATGCCACTCTCTAC
AAGATGTCATCCATTAATGCTGACTTTGCATTCAATCTGTACCGGAGGTTCACTGTGGAG
ACCCCAGATAAGAACATCTTCTTTTCCCCTGTGAGCATTTCTGCAGCTTTGGTTATGCTT
TCCTTTGGGGCCTGCTGCAGCACCCAAACTGAGATTGTGGAGACCTTGGGGTTCAACCTC
ACAGACACTCCAATGGTAGAGATCCAGCATGGCTTCCAGCATCTGATCTGTTCACTGAAT
TTTCCAAAGAAGGAACTGGAATTGCAGATAGGAAATGCCCTCTTCATTGGCAAGCATCTG
AAACCACTGGCAAAGTTCTTGAATGATGTCAAGACCCTCTATGAGACTGAAGTCTTTTCT
ACCGACTTCTCCAACATTTCTGCAGCCAAGCAGGAGATTAACAGTCATGTGGAGATGCAA
ACCAAAGGGAAAGTTGTGGGTCTAATTCAAGACCTCAAGCCAAACACCATCATGGTCTTA
GTGAACTATATTCACTTTAAAGCCCAGTGGGCAAATCCTTTTGATCCATCCAAGACAGAA
GACAGTTCCAGCTTCTTAATAGACAAGACCACCACTGTTCAAGTGCCCATGATGCACCAG
ATGGAACAATACTATCACCTAGTGGATATGGAATTGAACTGCACAGTTCTGCAAATGGAC
TACAGCAAGAATGCTCTGGCACTCTTTGTTCTTCCCAAGGAGGGACAGATGGAGTCAGTG
GAAGCTGCCATGTCATCTAAAACACTGAAGAAGTGGAACCGCTTACTACAGAAGGGATGG
GTTGACTTGTTTGTTCCAAAGTTTTCCATTTCTGCCACATATGACCTTGGAGCCACACTT
TTGAAGATGGGCATTCAGCATGCCTATTCTGAAAATGCTGATTTTTCTGGACTCACAGAG
GACAATGGTCTGAAACTTTCCAATGCTGCCCATAAGGCTGTGCTGCACATTGGTGAAAAG
GGAACTGAAGCTGCAGCTGTCCCTGAAGTTGAACTTTCGGATCAGCCTGAAAACACTTTC
CTACACCCTATTATCCAAATTGATAGATCTTTCATGTTGTTGATTTTGGAGAGAAGCACA
AGGAGTATTCTCTTTCTAGGGAAAGTTGTGAACCCAACGGAAGCGTAG
GenBank Gene IDM14091
GeneCard IDNot Available
GenAtlas IDSERPINA7
HGNC IDHGNC:11583
Chromosome LocationX
LocusXq22.2
References
  1. Flink IL, Bailey TJ, Gustafson TA, Markham BE, Morkin E: Complete amino acid sequence of human thyroxine-binding globulin deduced from cloned DNA: close homology to the serine antiproteases. Proc Natl Acad Sci U S A. 1986 Oct;83(20):7708-12. 3094014
  2. Akbari MT, Kapadi A, Farmer MJ, Fitch NJ, McCann KP, Kordestani S, Flink IL, Sheppard MC, Ramsden DB: The structure of the human thyroxine binding globulin (TBG) gene. Biochim Biophys Acta. 1993 Dec 14;1216(3):446-54. 8268226
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