Gene Gene information from NCBI Gene database.
Entrez ID 54658
Gene name UDP glucuronosyltransferase family 1 member A1
Gene symbol UGT1A1
Synonyms (NCBI Gene)
BILIQTL1GNT1HUG-BR1UDPGTUDPGT 1-1UGT1UGT1A
Chromosome 2
Chromosome location 2q37.1
Summary 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 comp
miRNA miRNA information provided by mirtarbase database.
33
miRTarBase ID miRNA Experiments Reference
MIRT1473325 hsa-miR-1202 CLIP-seq
MIRT1473326 hsa-miR-136 CLIP-seq
MIRT1473327 hsa-miR-3120-5p CLIP-seq
MIRT1473328 hsa-miR-3130-3p CLIP-seq
MIRT1473329 hsa-miR-3194-5p CLIP-seq
Transcription factors Transcription factors information provided by TRRUST V2 database.
7
Transcription factor Regulation Reference
AHR Activation 18172616
HNF1A Activation 18172616
NR1I2 Activation 18172616
NR1I3 Activation 18172616
NR1I3 Unknown 11343253
Gene ontology (GO) Gene Ontology (GO) annotations describing the biological processes, molecular functions, and cellular components associated with a gene.
48
GO ID Ontology Definition Evidence Reference
GO:0001972 Function Retinoic acid binding IDA 20308471
GO:0004857 Function Enzyme inhibitor activity IDA 19996319
GO:0004857 Function Enzyme inhibitor activity ISS 20610558
GO:0005496 Function Steroid binding IDA 19996319
GO:0005515 Function Protein binding IPI 20610558, 27025983, 27857056, 33961781
Other IDs Other IDs provides unique identifiers for this gene in OMIM, HGNC, and Ensembl databases.
MIM HGNC e!Ensembl
191740 12530 ENSG00000241635
Protein Protein information from UniProt database.
UniProt ID Unique identifier for the protein in the UniProt database. Click to view detailed protein information.
P22309
Protein name UDP-glucuronosyltransferase 1A1 (UGT1A1) (EC 2.4.1.17) (Bilirubin-specific UDPGT isozyme 1) (hUG-BR1) (UDP-glucuronosyltransferase 1-1) (UDPGT 1-1) (UGT1*1) (UGT1-01) (UGT1.1) (UDP-glucuronosyltransferase 1A isoform 1)
Protein function [Isoform 1]: UDP-glucuronosyltransferase (UGT) that catalyzes phase II biotransformation reactions in which lipophilic substrates are conjugated with glucuronic acid to increase the metabolite's water solubility, thereby facilitating excretion i
Family and domains

Pfam

Accession ID Position in sequence Description Type
PF00201 UDPGT 28 524 UDP-glucoronosyl and UDP-glucosyl transferase Family
Tissue specificity TISSUE SPECIFICITY: [Isoform 1]: Expressed in liver, colon and small intestine. Not expressed in kidney, esophagus and skin. {ECO:0000269|PubMed:1339448, ECO:0000269|PubMed:17187418, ECO:0000269|PubMed:18004212}.; TISSUE SPECIFICITY: [Isoform 2]: Expresse
Sequence
Sequence length 533
Interactions View interactions
Pathways Pathway information has different metabolic/signaling pathways associated with genes.
  KEGG  Reactome
  Pentose and glucuronate interconversions
Ascorbate and aldarate metabolism
Steroid hormone biosynthesis
Retinol metabolism
Porphyrin metabolism
Metabolism of xenobiotics by cytochrome P450
Drug metabolism - cytochrome P450
Drug metabolism - other enzymes
Metabolic pathways
Biosynthesis of cofactors
Bile secretion
Chemical carcinogenesis - DNA adducts
Chemical carcinogenesis - receptor activation
  Glucuronidation
Defective UGT1A1 causes hyperbilirubinemia
Associated diseases Disease associations from ClinVar (causal & non-causal) and other databases (OMIM, Orphanet, GWAS, etc.).
34
Evidence Score: ★☆☆☆☆  Gene-disease association found in Text Mining only ★★☆☆☆  Found in Text Mining and Unknown/Other Associations ★★★☆☆  Reported in Unknown/Other Associations across ≥2 Sources ★★★★☆  ClinVar: Pathogenic/Likely Pathogenic (<5 Variants) ★★★★★  ClinVar: Pathogenic/Likely Pathogenic (≥5 Variants)
Causal Diseases associated with Pathogenic or Likely Pathogenic variants in ClinVar
Phenotype Name Clinical Significance dbSNP ID RCV Accession Evidence Score
BILIRUBIN, SERUM LEVEL OF, QUANTITATIVE TRAIT LOCUS 1 Likely pathogenic; Pathogenic rs2126038220, rs1424603943, rs2472950680, rs72551349, rs587776762, rs587776764, rs587776765, rs34993780, rs111033541, rs72551343, rs1559415403 RCV005017162
RCV005021796
RCV005021819
RCV005016257
RCV005025046
View all (6 more)
★★★★★
ClinVar: Pathogenic / Likely Pathogenic (≥5 Variants)
Crigler-Najjar syndrome Pathogenic; Likely pathogenic rs367897068, rs72551353, rs72551340, rs1553620849, rs766536479, rs72551343, rs139607673 RCV003229499
RCV003387719
RCV000501478
RCV000503758
RCV000500693
View all (2 more)
★★★★★
ClinVar: Pathogenic / Likely Pathogenic (≥5 Variants)
Crigler-Najjar syndrome type 1 Likely pathogenic; Pathogenic rs2126038220, rs2125989471, rs1424603943, rs797046091, rs2472950680, rs748219743, rs587776761, rs72551353, rs111033539, rs72551349, rs587776762, rs62625011, rs281865418, rs587776763, rs587776764
View all (8 more)
RCV005017162
RCV002262166
RCV005021796
RCV001450051
RCV005021819
View all (18 more)
★★★★★
ClinVar: Pathogenic / Likely Pathogenic (≥5 Variants)
Crigler-Najjar syndrome, type II Pathogenic; Likely pathogenic rs72551345, rs2126038220, rs2125989471, rs1424603943, rs200370335, rs2472950680, rs72551349, rs587776762, rs587776764, rs587776765, rs34993780, rs111033541, rs2472956769, rs2473171944, rs72551343
View all (1 more)
RCV001808119
RCV005017162
RCV002262166
RCV005021796
RCV003108246
View all (11 more)
★★★★★
ClinVar: Pathogenic / Likely Pathogenic (≥5 Variants)
Unknown / Other Associations ClinVar entries with uncertain/conflicting evidence, and associations from other databases (OMIM, Orphanet, GWAS, etc.) where the gene is not established as causal.
Phenotype Name Clinical Significance Source Evidence Score
AUTISM SPECTRUM DISORDER CTD
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
AUTISM SPECTRUM DISORDERS Disgenet
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
CALCULUS OF BILE DUCT WITHOUT MENTION OF CHOLECYSTITIS Disgenet
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
CARCINOMA, SMALL CELL CTD
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
Associations from Text Mining Disease associations identified through text mining
Disease Name Disease (Merged) Source PMID Relationship Type Evidence Score
Acromegaly Acromegaly BEFREE 20207827
★☆☆☆☆
Found in Text Mining only
Acute Kidney Insufficiency Acute Kidney Insufficiency CTD_human_DG 3864191
★☆☆☆☆
Found in Text Mining only
Acute lymphocytic leukemia Lymphocytic Leukemia BEFREE 25105254, 25855413
★☆☆☆☆
Found in Text Mining only
Acute monocytic leukemia Monocytic Leukemia BEFREE 30016963
★☆☆☆☆
Found in Text Mining only
Adenocarcinoma Adenocarcinoma BEFREE 9765507
★☆☆☆☆
Found in Text Mining only
Adenocarcinoma of colon Adenocarcinoma Of Colon BEFREE 23595344
★☆☆☆☆
Found in Text Mining only
Adenocarcinoma Of Esophagus Esophageal Cancer BEFREE 22367021
★☆☆☆☆
Found in Text Mining only
Adenocarcinoma, Clear Cell Adenocarcinoma BEFREE 26091520
★☆☆☆☆
Found in Text Mining only
Adenoma Adenoma BEFREE 19077918
★☆☆☆☆
Found in Text Mining only
Adrenoleukodystrophy Adrenoleukodystrophy BEFREE 28393244
★☆☆☆☆
Found in Text Mining only