Homo sapiens Gene: IDO1
Summary
InnateDB Gene IDBG-18750.6
Last Modified 2014-10-13 [Report errors or provide feedback]
Gene Symbol IDO1
Gene Name indoleamine 2,3-dioxygenase 1
Synonyms IDO; IDO-1; INDO
Species Homo sapiens
Ensembl Gene ENSG00000131203
Encoded Proteins
indoleamine 2,3-dioxygenase 1
indoleamine 2,3-dioxygenase 1
indoleamine 2,3-dioxygenase 1
indoleamine 2,3-dioxygenase 1
indoleamine 2,3-dioxygenase 1
indoleamine 2,3-dioxygenase 1
Protein Structure
Useful resources Stemformatics EHFPI ImmGen
InnateDB Annotation
Summary
IDO1 limits innate and adaptive immunity to apoptotic self-antigens. IDO1-mediated inhibition of inflammation plays a key role in suppressing systemic autoimmune diseases. (Demonstrated in mice)
DNA nanoparticle is sensed selectively by myeloid dendritic cells (DCs) via the STING (for stimulator of interferon genes) /type I IFN pathway to induce Ido1 in DCs, which activate regulatory T cells.
InnateDB Annotation from Orthologs
Summary
[Mus musculus] Ido1 limits innate and adaptive immunity to apoptotic self-antigens. Ido1-mediated inhibition of inflammation plays a key role in suppressing systemic autoimmune diseases.
[Mus musculus] Uropathogenic Escherichia coli suppresses neutrophil migration early in bacterial cystitis by eliciting an Ido1-mediated increase in local production of kynurenines, which act through the Ahr to impair neutrophil chemotaxis.
Entrez Gene
Summary This gene encodes indoleamine 2,3-dioxygenase (IDO) - a heme enzyme that catalyzes the first and rate-limiting step in tryptophan catabolism to N-formyl-kynurenine. This enzyme acts on multiple tryptophan substrates including D-tryptophan, L-tryptophan, 5-hydroxy-tryptophan, tryptamine, and serotonin. This enzyme is thought to play a role in a variety of pathophysiological processes such as antimicrobial and antitumor defense, neuropathology, immunoregulation, and antioxidant activity. Through its expression in dendritic cells, monocytes, and macrophages this enzyme modulates T-cell behavior by its peri-cellular catabolization of the essential amino acid tryptophan.[provided by RefSeq, Feb 2011]
Gene Information
Type Protein coding
Genomic Location Chromosome 8:39902275-39928444
Strand Forward strand
Band p11.21
Transcripts
ENST00000253513 ENSP00000253513
ENST00000518804 ENSP00000429297
ENST00000519154 ENSP00000428716
ENST00000522495 ENSP00000430505
ENST00000522840 ENSP00000429933
ENST00000518237 ENSP00000430950
ENST00000521636
ENST00000521480
ENST00000523779
Interactions
Number of Interactions This gene and/or its encoded proteins are associated with 8 experimentally validated interaction(s) in this database.
They are also associated with 8 interaction(s) predicted by orthology.
Experimentally validated
Total 8 [view]
Protein-Protein 5 [view]
Protein-DNA 3 [view]
Protein-RNA 0
DNA-DNA 0
RNA-RNA 0
DNA-RNA 0
Predicted by orthology
Total 8 [view]
Gene Ontology

Molecular Function
Accession GO Term
GO:0004833 tryptophan 2,3-dioxygenase activity
GO:0005515 protein binding
GO:0009055 electron carrier activity
GO:0020037 heme binding
GO:0033754 indoleamine 2,3-dioxygenase activity
GO:0046872 metal ion binding
Biological Process
GO:0002534 cytokine production involved in inflammatory response
GO:0002666 positive regulation of T cell tolerance induction
GO:0002678 positive regulation of chronic inflammatory response
GO:0002830 positive regulation of type 2 immune response
GO:0006569 tryptophan catabolic process
GO:0006954 inflammatory response
GO:0007565 female pregnancy
GO:0019441 tryptophan catabolic process to kynurenine
GO:0032496 response to lipopolysaccharide
GO:0032693 negative regulation of interleukin-10 production
GO:0032735 positive regulation of interleukin-12 production
GO:0033555 multicellular organismal response to stress
GO:0034276 kynurenic acid biosynthetic process
GO:0034641 cellular nitrogen compound metabolic process
GO:0036269 swimming behavior
GO:0042130 negative regulation of T cell proliferation
GO:0043065 positive regulation of apoptotic process
GO:0044281 small molecule metabolic process
GO:0045087 innate immune response (InnateDB)
GO:0046007 negative regulation of activated T cell proliferation
GO:0055114 oxidation-reduction process
GO:0070233 negative regulation of T cell apoptotic process
Cellular Component
GO:0005737 cytoplasm
GO:0005829 cytosol
GO:0030485 smooth muscle contractile fiber
GO:0032421 stereocilium bundle
Orthologs
Species
Mus musculus
Bos taurus
Gene ID
Gene Order
Not yet available
Pathways
NETPATH
REACTOME
Tryptophan catabolism pathway
Metabolism of amino acids and derivatives pathway
Metabolism pathway
KEGG
Tryptophan metabolism pathway
African trypanosomiasis pathway
INOH
Tryptophan degradation pathway
PID NCI
Cross-References
SwissProt
TrEMBL
UniProt Splice Variant
Entrez Gene
UniGene Hs.738619
RefSeq NM_002164
HUGO
OMIM
CCDS CCDS47847
HPRD 00935
IMGT
EMBL
GenPept
RNA Seq Atlas