UGT2B4

Protein-coding gene in the species Homo sapiens From Wikipedia, the free encyclopedia

UDP glucuronosyltransferase 2 family, polypeptide B4, also known as UGT2B4, is an enzyme that in humans is encoded by the UGT2B4 gene.[5][6][7]

AliasesUGT2B4, HLUG25, UDPGT2B4, UDPGTH1, UDPGTh-1, UGT2B11, UDP glucuronosyltransferase family 2 member B4
End69,526,014 bp[1]
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UGT2B4
Identifiers
AliasesUGT2B4, HLUG25, UDPGT2B4, UDPGTH1, UDPGTh-1, UGT2B11, UDP glucuronosyltransferase family 2 member B4
External IDsOMIM: 600067; MGI: 1919023; HomoloGene: 130717; GeneCards: UGT2B4; OMA:UGT2B4 - orthologs
Orthologs
SpeciesHumanMouse
Entrez
Ensembl
UniProt
RefSeq (mRNA)

NM_001297615
NM_001297616
NM_021139

NM_152811

RefSeq (protein)

NP_001284544
NP_001284545
NP_066962

NP_690024

Location (UCSC)Chr 4: 69.48 – 69.53 MbChr 5: 87.06 – 87.07 Mb
PubMed search[3][4]
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Function

UGT2B4 is mainly involved in the glucuronidation of hyodeoxycholic acid, a bile acid, and catechol-estrogens, such as 17-epiestriol and 4-hydroxy-estrone.[8]

The expression of the UGT2B4 enzyme is upregulated by the farnesoid X receptor (FXR), a nuclear receptor which is activated by bile acids.[9] These same bile acids are substrates for the UGT2B4 enzyme. Hence upregulation of UGT2B4 by activated FXR provides a mechanism for the detection, conjugation and subsequent elimination of toxic bile acids.

References

Further reading

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