Chemicals and Drugs

Indoleamine-Pyrrole 2,3,-Dioxygenase

A dioxygenase with specificity for the oxidation of the indoleamine ring of TRYPTOPHAN. It is an extrahepatic enzyme that plays a role in metabolism as the first and rate limiting enzyme in the kynurenine pathway of TRYPTOPHAN catabolism.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A dioxygenase with specificity for the oxidation of the indoleamine ring of TRYPTOPHAN. It is an extrahepatic enzyme that plays a role in metabolism as the first and rate limiting enzyme in the kynurenine pathway of TRYPTOPHAN catabolism.

MeSH Record

Classification

Broader headings

Related Concepts

Knowledge Graph

Loading graph…

Drag nodes to rearrange; hover to trace links; click a node to open its page.

MeSH Record

Synonyms

7 entry terms
  • IDO Dioxygenase
  • Indolamine-2,3-Dioxygenase
  • Indoleamine 2,3-Dioxygenase
  • Indoleamine-Oxygen 2,3-Oxidoreductase (Decyclizing)
  • Dioxygenase, IDO
  • Indolamine 2,3 Dioxygenase
  • Indoleamine 2,3 Dioxygenase

MeSH Record

Aspects Covered

29 allowable subheadings

Indexed with the subheadings administration & dosage, adverse effects, analysis, antagonists & inhibitors, biosynthesis, blood, cerebrospinal fluid, chemical synthesis, chemistry, classification, deficiency, drug effects, economics, genetics, history, immunology, isolation & purification, metabolism, pharmacokinetics, pharmacology, physiology, poisoning, radiation effects, standards, supply & distribution, therapeutic use, toxicity, ultrastructure, urine.

MeSH Record

History Note

2006(1990)

MeSH Record

Previous Indexing

  • Dioxygenases (2005)
  • Oxygenases (1970-2004)
  • Tryptophan Oxygenase (1968-2005)

MeSH Hierarchy

Tree Number

AMA Style

References

  1. National Library of Medicine. Indoleamine-Pyrrole 2,3,-Dioxygenase. Medical Subject Headings (MeSH). 2026. Unique ID D050503. http://id.nlm.nih.gov/mesh/2026/D050503
  2. Indoleamine-Pyrrole 2,3,-Dioxygenase. In: Wikipedia. https://en.wikipedia.org/wiki/Indole_2,3-dioxygenase
  3. Indoleamine-Pyrrole 2,3,-Dioxygenase. In: Wikidata. https://www.wikidata.org/wiki/Q3785309