UGT1A7 Gene

HGNC Family Glycosyltransferases
Name UDP glucuronosyltransferase 1 family, polypeptide A7
Description 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 moderate glucuronidase activity with phenols. [provided by RefSeq, Jul 2008]
Summary
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Variations in this isoform—as observed in patients with advanced non–small-cell lung cancer and colorectal malignancies—can affect irinotecan pharmacokinetics and treatment outcomes, highlighting its clinical importance in drug metabolism and toxicity modulation."}, {"type": "fg", "children": [{"type": "fg_fs", "start_ref": "1", "end_ref": "7"}]}, {"type": "t", "text": "\n"}]}, {"type": "t", "text": "\n\n"}, {"type": "p", "children": [{"type": "t", "text": "\nBeyond its role in drug metabolism, UGT1A7 is instrumental in detoxifying environmental carcinogens such as heterocyclic amines and polycyclic aromatic hydrocarbons. Numerous studies have reported that genetic polymorphisms in UGT1A7—most notably low‐activity alleles like UGT1A7*3—are associated with an increased risk for several cancers, including hepatocellular, colorectal, lung, pancreatic, and cancers of the proximal digestive tract. These associations underscore the enzyme’s protective function in metabolizing potentially carcinogenic compounds and influencing individual susceptibility to cancer."}, {"type": "fg", "children": [{"type": "fg_fs", "start_ref": "8", "end_ref": "23"}]}, {"type": "t", "text": "\n"}]}, {"type": "t", "text": "\n\n"}, {"type": "p", "children": [{"type": "t", "text": "\nMechanistic studies have further revealed that UGT1A7’s catalytic efficiency and substrate selectivity are subject to modulation by protein–protein interactions and post‐translational modifications such as phosphorylation. Such regulation not only influences its ability to metabolize a broad array of substrates—including flavonoids and other dietary components—but also helps explain interindividual differences in detoxification capacity among various tissues. In some settings, for instance during the metabolism of mycophenolic acid, UGT1A7 genetic variants may not lead to overt differences in drug clearance, underscoring the complex interplay of genetic and regulatory factors that govern its function."}, {"type": "fg", "children": [{"type": "fg_fs", "start_ref": "24", "end_ref": "28"}]}, {"type": "t", "text": "\n"}]}, {"type": "rg", "children": [{"type": "r", "ref": 1, "children": [{"type": "t", "text": "Leslie E Carlini, Neal J Meropol, John Bever, et al. 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"}, {"type": "b", "children": [{"type": "t", "text": "Use of glucuronidation fingerprinting to describe and predict mono- and dihydroxyflavone metabolism by recombinant UGT isoforms and human intestinal and liver microsomes."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "Mol Pharm (2010)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1021/mp900223c"}], "href": "https://doi.org/10.1021/mp900223c"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "20297805"}], "href": "https://pubmed.ncbi.nlm.nih.gov/20297805"}]}]}]}
Synonyms UGT1G, UGT-1G, UGT1.7, UGT1-07, UDPGT 1-7
Proteins UD17_HUMAN
NCBI Gene ID 54577
API
Download Associations
Predicted Functions View UGT1A7's ARCHS4 Predicted Functions.
Co-expressed Genes View UGT1A7's ARCHS4 Predicted Functions.
Expression in Tissues and Cell Lines View UGT1A7's ARCHS4 Predicted Functions.

Functional Associations

UGT1A7 has 3,313 functional associations with biological entities spanning 7 categories (molecular profile, functional term, phrase or reference, chemical, disease, phenotype or trait, structural feature, cell line, cell type or tissue, gene, protein or microRNA) extracted from 80 datasets.

Click the + buttons to view associations for UGT1A7 from the datasets below.

If available, associations are ranked by standardized value

Dataset Summary
Achilles Cell Line Gene Essentiality Profiles cell lines with fitness changed by UGT1A7 gene knockdown relative to other cell lines from the Achilles Cell Line Gene Essentiality Profiles dataset.
Allen Brain Atlas Aging Dementia and Traumatic Brain Injury Tissue Sample Gene Expression Profiles tissue samples with high or low expression of UGT1A7 gene relative to other tissue samples from the Allen Brain Atlas Aging Dementia and Traumatic Brain Injury Tissue Sample Gene Expression Profiles dataset.
CCLE Cell Line Gene CNV Profiles cell lines with high or low copy number of UGT1A7 gene relative to other cell lines from the CCLE Cell Line Gene CNV Profiles dataset.
ChEA Transcription Factor Binding Site Profiles transcription factor binding site profiles with transcription factor binding evidence at the promoter of UGT1A7 gene from the CHEA Transcription Factor Binding Site Profiles dataset.
ChEA Transcription Factor Targets transcription factors binding the promoter of UGT1A7 gene in low- or high-throughput transcription factor functional studies from the CHEA Transcription Factor Targets dataset.
ChEA Transcription Factor Targets 2022 transcription factors binding the promoter of UGT1A7 gene in low- or high-throughput transcription factor functional studies from the CHEA Transcription Factor Targets 2022 dataset.
COMPARTMENTS Curated Protein Localization Evidence Scores cellular components containing UGT1A7 protein from the COMPARTMENTS Curated Protein Localization Evidence Scores dataset.
COMPARTMENTS Curated Protein Localization Evidence Scores 2025 cellular components containing UGT1A7 protein from the COMPARTMENTS Curated Protein Localization Evidence Scores 2025 dataset.
COMPARTMENTS Text-mining Protein Localization Evidence Scores cellular components co-occuring with UGT1A7 protein in abstracts of biomedical publications from the COMPARTMENTS Text-mining Protein Localization Evidence Scores dataset.
COMPARTMENTS Text-mining Protein Localization Evidence Scores 2025 cellular components co-occuring with UGT1A7 protein in abstracts of biomedical publications from the COMPARTMENTS Text-mining Protein Localization Evidence Scores 2025 dataset.
COSMIC Cell Line Gene CNV Profiles cell lines with high or low copy number of UGT1A7 gene relative to other cell lines from the COSMIC Cell Line Gene CNV Profiles dataset.
COSMIC Cell Line Gene Mutation Profiles cell lines with UGT1A7 gene mutations from the COSMIC Cell Line Gene Mutation Profiles dataset.
CTD Gene-Chemical Interactions chemicals interacting with UGT1A7 gene/protein from the curated CTD Gene-Chemical Interactions dataset.
CTD Gene-Disease Associations diseases associated with UGT1A7 gene/protein from the curated CTD Gene-Disease Associations dataset.
dbGAP Gene-Trait Associations traits associated with UGT1A7 gene in GWAS and other genetic association datasets from the dbGAP Gene-Trait Associations dataset.
DepMap CRISPR Gene Dependency cell lines with fitness changed by UGT1A7 gene knockdown relative to other cell lines from the DepMap CRISPR Gene Dependency dataset.
DISEASES Experimental Gene-Disease Association Evidence Scores 2025 diseases associated with UGT1A7 gene in GWAS datasets from the DISEASES Experimental Gene-Disease Assocation Evidence Scores 2025 dataset.
DISEASES Text-mining Gene-Disease Association Evidence Scores diseases co-occuring with UGT1A7 gene in abstracts of biomedical publications from the DISEASES Text-mining Gene-Disease Assocation Evidence Scores dataset.
DISEASES Text-mining Gene-Disease Association Evidence Scores 2025 diseases co-occuring with UGT1A7 gene in abstracts of biomedical publications from the DISEASES Text-mining Gene-Disease Assocation Evidence Scores 2025 dataset.
DisGeNET Gene-Disease Associations diseases associated with UGT1A7 gene in GWAS and other genetic association datasets from the DisGeNET Gene-Disease Associations dataset.
DisGeNET Gene-Phenotype Associations phenotypes associated with UGT1A7 gene in GWAS and other genetic association datasets from the DisGeNET Gene-Phenoptype Associations dataset.
DrugBank Drug Targets interacting drugs for UGT1A7 protein from the curated DrugBank Drug Targets dataset.
ENCODE Histone Modification Site Profiles histone modification site profiles with high histone modification abundance at UGT1A7 gene from the ENCODE Histone Modification Site Profiles dataset.
ENCODE Transcription Factor Binding Site Profiles transcription factor binding site profiles with transcription factor binding evidence at the promoter of UGT1A7 gene from the ENCODE Transcription Factor Binding Site Profiles dataset.
ENCODE Transcription Factor Targets transcription factors binding the promoter of UGT1A7 gene in ChIP-seq datasets from the ENCODE Transcription Factor Targets dataset.
GAD Gene-Disease Associations diseases associated with UGT1A7 gene in GWAS and other genetic association datasets from the GAD Gene-Disease Associations dataset.
GAD High Level Gene-Disease Associations diseases associated with UGT1A7 gene in GWAS and other genetic association datasets from the GAD High Level Gene-Disease Associations dataset.
GeneRIF Biological Term Annotations biological terms co-occuring with UGT1A7 gene in literature-supported statements describing functions of genes from the GeneRIF Biological Term Annotations dataset.
GeneSigDB Published Gene Signatures PubMedIDs of publications reporting gene signatures containing UGT1A7 from the GeneSigDB Published Gene Signatures dataset.
GEO Signatures of Differentially Expressed Genes for Small Molecules small molecule perturbations changing expression of UGT1A7 gene from the GEO Signatures of Differentially Expressed Genes for Small Molecules dataset.
GEO Signatures of Differentially Expressed Genes for Transcription Factor Perturbations transcription factor perturbations changing expression of UGT1A7 gene from the GEO Signatures of Differentially Expressed Genes for Transcription Factor Perturbations dataset.
GlyGen Glycosylated Proteins ligands (chemical) binding UGT1A7 protein from the GlyGen Glycosylated Proteins dataset.
GO Biological Process Annotations 2015 biological processes involving UGT1A7 gene from the curated GO Biological Process Annotations 2015 dataset.
GO Biological Process Annotations 2023 biological processes involving UGT1A7 gene from the curated GO Biological Process Annotations 2023 dataset.
GO Biological Process Annotations 2025 biological processes involving UGT1A7 gene from the curated GO Biological Process Annotations2025 dataset.
GO Cellular Component Annotations 2015 cellular components containing UGT1A7 protein from the curated GO Cellular Component Annotations 2015 dataset.
GO Cellular Component Annotations 2025 cellular components containing UGT1A7 protein from the curated GO Cellular Component Annotations 2025 dataset.
GO Molecular Function Annotations 2015 molecular functions performed by UGT1A7 gene from the curated GO Molecular Function Annotations 2015 dataset.
GO Molecular Function Annotations 2023 molecular functions performed by UGT1A7 gene from the curated GO Molecular Function Annotations 2023 dataset.
GO Molecular Function Annotations 2025 molecular functions performed by UGT1A7 gene from the curated GO Molecular Function Annotations 2025 dataset.
GTEx Tissue Gene Expression Profiles tissues with high or low expression of UGT1A7 gene relative to other tissues from the GTEx Tissue Gene Expression Profiles dataset.
GTEx Tissue Gene Expression Profiles 2023 tissues with high or low expression of UGT1A7 gene relative to other tissues from the GTEx Tissue Gene Expression Profiles 2023 dataset.
GWAS Catalog SNP-Phenotype Associations 2025 phenotypes associated with UGT1A7 gene in GWAS datasets from the GWAS Catalog SNP-Phenotype Associations 2025 dataset.
GWASdb SNP-Disease Associations diseases associated with UGT1A7 gene in GWAS and other genetic association datasets from the GWASdb SNP-Disease Associations dataset.
GWASdb SNP-Phenotype Associations phenotypes associated with UGT1A7 gene in GWAS datasets from the GWASdb SNP-Phenotype Associations dataset.
HMDB Metabolites of Enzymes interacting metabolites for UGT1A7 protein from the curated HMDB Metabolites of Enzymes dataset.
HPA Cell Line Gene Expression Profiles cell lines with high or low expression of UGT1A7 gene relative to other cell lines from the HPA Cell Line Gene Expression Profiles dataset.
HPA Tissue Gene Expression Profiles tissues with high or low expression of UGT1A7 gene relative to other tissues from the HPA Tissue Gene Expression Profiles dataset.
HPA Tissue Sample Gene Expression Profiles tissue samples with high or low expression of UGT1A7 gene relative to other tissue samples from the HPA Tissue Sample Gene Expression Profiles dataset.
Hub Proteins Protein-Protein Interactions interacting hub proteins for UGT1A7 from the curated Hub Proteins Protein-Protein Interactions dataset.
HuGE Navigator Gene-Phenotype Associations phenotypes associated with UGT1A7 gene by text-mining GWAS publications from the HuGE Navigator Gene-Phenotype Associations dataset.
InterPro Predicted Protein Domain Annotations protein domains predicted for UGT1A7 protein from the InterPro Predicted Protein Domain Annotations dataset.
JASPAR Predicted Human Transcription Factor Targets 2025 transcription factors regulating expression of UGT1A7 gene predicted using known transcription factor binding site motifs from the JASPAR Predicted Human Transcription Factor Targets dataset.
JASPAR Predicted Mouse Transcription Factor Targets 2025 transcription factors regulating expression of UGT1A7 gene predicted using known transcription factor binding site motifs from the JASPAR Predicted Mouse Transcription Factor Targets 2025 dataset.
JASPAR Predicted Transcription Factor Targets transcription factors regulating expression of UGT1A7 gene predicted using known transcription factor binding site motifs from the JASPAR Predicted Transcription Factor Targets dataset.
KEA Substrates of Kinases kinases that phosphorylate UGT1A7 protein from the curated KEA Substrates of Kinases dataset.
KEGG Pathways pathways involving UGT1A7 protein from the KEGG Pathways dataset.
Klijn et al., Nat. Biotechnol., 2015 Cell Line Gene CNV Profiles cell lines with high or low copy number of UGT1A7 gene relative to other cell lines from the Klijn et al., Nat. Biotechnol., 2015 Cell Line Gene CNV Profiles dataset.
Klijn et al., Nat. Biotechnol., 2015 Cell Line Gene Mutation Profiles cell lines with UGT1A7 gene mutations from the Klijn et al., Nat. Biotechnol., 2015 Cell Line Gene Mutation Profiles dataset.
LOCATE Predicted Protein Localization Annotations cellular components predicted to contain UGT1A7 protein from the LOCATE Predicted Protein Localization Annotations dataset.
MotifMap Predicted Transcription Factor Targets transcription factors regulating expression of UGT1A7 gene predicted using known transcription factor binding site motifs from the MotifMap Predicted Transcription Factor Targets dataset.
MW Enzyme Metabolite Associations interacting metabolites for UGT1A7 protein from the MW Gene Metabolite Associations dataset.
Pathway Commons Protein-Protein Interactions interacting proteins for UGT1A7 from the Pathway Commons Protein-Protein Interactions dataset.
PerturbAtlas Signatures of Differentially Expressed Genes for Gene Perturbations gene perturbations changing expression of UGT1A7 gene from the PerturbAtlas Signatures of Differentially Expressed Genes for Gene Perturbations dataset.
PFOCR Pathway Figure Associations 2024 pathways involving UGT1A7 protein from the Wikipathways PFOCR 2024 dataset.
Phosphosite Textmining Biological Term Annotations biological terms co-occuring with UGT1A7 protein in abstracts of publications describing phosphosites from the Phosphosite Textmining Biological Term Annotations dataset.
PhosphoSitePlus Substrates of Kinases kinases that phosphorylate UGT1A7 protein from the curated PhosphoSitePlus Substrates of Kinases dataset.
Reactome Pathways 2014 pathways involving UGT1A7 protein from the Reactome Pathways dataset.
Reactome Pathways 2024 pathways involving UGT1A7 protein from the Reactome Pathways 2024 dataset.
Roadmap Epigenomics Cell and Tissue DNA Methylation Profiles cell types and tissues with high or low DNA methylation of UGT1A7 gene relative to other cell types and tissues from the Roadmap Epigenomics Cell and Tissue DNA Methylation Profiles dataset.
Roadmap Epigenomics Histone Modification Site Profiles histone modification site profiles with high histone modification abundance at UGT1A7 gene from the Roadmap Epigenomics Histone Modification Site Profiles dataset.
RummaGEO Drug Perturbation Signatures drug perturbations changing expression of UGT1A7 gene from the RummaGEO Drug Perturbation Signatures dataset.
RummaGEO Gene Perturbation Signatures gene perturbations changing expression of UGT1A7 gene from the RummaGEO Gene Perturbation Signatures dataset.
TargetScan Predicted Conserved microRNA Targets microRNAs regulating expression of UGT1A7 gene predicted using conserved miRNA seed sequences from the TargetScan Predicted Conserved microRNA Targets dataset.
TargetScan Predicted Nonconserved microRNA Targets microRNAs regulating expression of UGT1A7 gene predicted using nonconserved miRNA seed sequences from the TargetScan Predicted Nonconserved microRNA Targets dataset.
TCGA Signatures of Differentially Expressed Genes for Tumors tissue samples with high or low expression of UGT1A7 gene relative to other tissue samples from the TCGA Signatures of Differentially Expressed Genes for Tumors dataset.
TISSUES Text-mining Tissue Protein Expression Evidence Scores tissues co-occuring with UGT1A7 protein in abstracts of biomedical publications from the TISSUES Text-mining Tissue Protein Expression Evidence Scores dataset.
TISSUES Text-mining Tissue Protein Expression Evidence Scores 2025 tissues co-occuring with UGT1A7 protein in abstracts of biomedical publications from the TISSUES Text-mining Tissue Protein Expression Evidence Scores 2025 dataset.
WikiPathways Pathways 2014 pathways involving UGT1A7 protein from the Wikipathways Pathways 2014 dataset.
WikiPathways Pathways 2024 pathways involving UGT1A7 protein from the WikiPathways Pathways 2024 dataset.