UGT1A8
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UGT1A8 |
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Identifiers |
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Aliases |
UGT1A8, UDPGT, UDPGT 1-8, UGT-1H, UGT1-08, UGT1.8, UGT1A8S, UGT1H, UDP glucuronosyltransferase family 1 member A8, UGT1-01, UGT-1A, UGT1.1, UGT1A, hUG-BR1, UGT1, GNT1, UGT1A1 |
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External IDs |
MGI: 3576092 HomoloGene: 133281 GeneCards: UGT1A8 |
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Gene location (Human) |
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Chr. |
Chromosome 2 (human)[1] |
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Band |
2q37.1 |
Start |
233,617,645 bp[1] |
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End |
233,773,310 bp[1] |
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Gene location (Mouse) |
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Chr. |
Chromosome 1 (mouse)[2] |
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Band |
1|1 D |
Start |
88,070,800 bp[2] |
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End |
88,218,997 bp[2] |
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Gene ontology |
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Molecular function |
• transferase activity • enzyme inhibitor activity • retinoic acid binding • transferase activity, transferring hexosyl groups • protein homodimerization activity • transferase activity, transferring glycosyl groups • glucuronosyltransferase activity • fatty acid binding • steroid binding • drug binding • protein heterodimerization activity • enzyme binding • UDP-glycosyltransferase activity
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Cellular component |
• integral component of membrane • endoplasmic reticulum membrane • membrane • intracellular membrane-bounded organelle • endoplasmic reticulum
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Biological process |
• steroid metabolic process • coumarin metabolic process • negative regulation of steroid metabolic process • retinoic acid metabolic process • negative regulation of cellular glucuronidation • fatty acid metabolic process • cellular glucuronidation • flavonoid glucuronidation • xenobiotic glucuronidation • drug metabolic process • flavone metabolic process • metabolism • negative regulation of glucuronosyltransferase activity • negative regulation of fatty acid metabolic process • negative regulation of catalytic activity
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Sources:Amigo / QuickGO
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Orthologs |
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Species |
Human |
Mouse |
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Entrez |
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Ensembl |
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UniProt |
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RefSeq (mRNA) |
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RefSeq (protein) |
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Location (UCSC) |
Chr 2: 233.62 – 233.77 Mb |
Chr 1: 88.07 – 88.22 Mb |
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PubMed search |
[3] |
[4] |
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Wikidata |
View/Edit Human |
View/Edit Mouse |
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UDP-glucuronosyltransferase 1-8 is an enzyme that in humans is encoded by the UGT1A8 gene.[5][6][7]
Function[edit]
This gene encodes a UDP-glucuronosyltransferase, an enzyme of the glucuronidation pathway that transforms small lipophilic molecules, such as steroids, bilirubin, hormones, and drugs, into water-soluble, excretable metabolites. This gene is part of a complex locus that encodes several UDP-glucuronosyltransferases. The locus includes thirteen unique alternate first exons followed by four common exons. Four of the alternate first exons are considered pseudogenes. Each of the remaining nine 5′ exons may be spliced to the four common exons, resulting in nine proteins with different N-termini and identical C-termini. Each first exon encodes the substrate binding site, and is regulated by its own promoter. The enzyme encoded by this gene has glucuronidase activity with many substrates including coumarins, phenols, anthraquinones, flavones, and some opioids.[5]
References[edit]
^ abc GRCh38: Ensembl release 89: ENSG00000242366 - Ensembl, May 2017
^ abc GRCm38: Ensembl release 89: ENSMUSG00000090175 - Ensembl, May 2017
^ "Human PubMed Reference:"..mw-parser-output cite.citation{font-style:inherit}.mw-parser-output q{quotes:"""""""'""'"}.mw-parser-output code.cs1-code{color:inherit;background:inherit;border:inherit;padding:inherit}.mw-parser-output .cs1-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-lock-limited a,.mw-parser-output .cs1-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration{color:#555}.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration span{border-bottom:1px dotted;cursor:help}.mw-parser-output .cs1-hidden-error{display:none;font-size:100%}.mw-parser-output .cs1-visible-error{font-size:100%}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-format{font-size:95%}.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-right{padding-right:0.2em}
^ "Mouse PubMed Reference:".
^ ab Ritter JK, Chen F, Sheen YY, Tran HM, Kimura S, Yeatman MT, Owens IS (Mar 1992). "A novel complex locus UGT1 encodes human bilirubin, phenol, and other UDP-glucuronosyltransferase isozymes with identical carboxyl termini". J Biol Chem. 267 (5): 3257–61. PMID 1339448.
^ Huang YH, Galijatovic A, Nguyen N, Geske D, Beaton D, Green J, Green M, Peters WH, Tukey RH (June 2002). "Identification and functional characterization of UDP-glucuronosyltransferases UGT1A8*1, UGT1A8*2 and UGT1A8*3". Pharmacogenetics. 12 (4): 287–97. doi:10.1097/00008571-200206000-00004. PMID 12042666.
^ "Entrez Gene: UGT1A8 UDP glucuronosyltransferase 1 family, polypeptide A8".
Transferases: glycosyltransferases (EC 2.4)
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2.4.1: Hexosyl- transferases
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Glucosyl- |
Phosphorylase
- Glycogen synthase
- Debranching enzyme
- Branching enzyme
- 1,3-Beta-glucan synthase
- Ceramide glucosyltransferase
- N-glycosyltransferase
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Galactosyl- |
- Lactose synthase
- B-N-acetylglucosaminyl-glycopeptide b-1,4-galactosyltransferase
Glycoprotein-N-acetylgalactosamine 3-beta-galactosyltransferase (C1GALT1)
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Glucuronosyl- |
- UGT1A1
- UGT1A3
- UGT1A4
- UGT1A5
- UGT1A6
- UGT1A7
- UGT1A8
- UGT1A9
- UGT1A10
- UGT2A1
- UGT2A2
- UGT2A3
- UGT2B4
- UGT2B7
- UGT2B10
- UGT2B11
- UGT2B15
- UGT2B17
- UGT2B28
Hyaluronan synthase: HAS1
- HAS2
- HAS3
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Fucosyl- |
- POFUT1
- POFUT2
- FUT1
- FUT2
- FUT3
- FUT4
- FUT5
- FUT6
- FUT7
- FUT8
- FUT9
- FUT10
- FUT11
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Mannosyl- |
Dolichyl-phosphate-mannose-protein mannosyltransferase
- DPM1
- DPM3
- ALG1
- ALG2
- ALG3
- ALG6
- ALG8
- ALG9
- ALG12
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2.4.2: Pentosyl- transferases
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Ribose |
ADP-ribosyltransferase |
NAD+:diphthamide ADP-ribosyltransferase
NAD(P)+:arginine ADP-ribosyltransferase
- Pertussis toxin
- Cholera toxin
- Poly ADP ribose polymerase
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Phosphoribosyltransferase |
- Adenine phosphoribosyltransferase
- Hypoxanthine-guanine phosphoribosyltransferase
- Uracil phosphoribosyltransferase
- Amidophosphoribosyltransferase
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Other |
Purine nucleoside phosphorylase: Thymidine phosphorylase
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Other |
Xylosyltransferase
Arabinosyltransferase
- Indolylacetylinositol arabinosyltransferase
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2.4.99: Sialyl transferases
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- Beta-galactoside alpha-2,6-sialyltransferase
- Monosialoganglioside sialyltransferase
- ST8SIA4
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This article incorporates text from the United States National Library of Medicine, which is in the public domain.
Categories:
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