Chemicals and Drugs

Heme Oxygenase (Decyclizing)

A mixed function oxidase enzyme which during hemoglobin catabolism catalyzes the degradation of heme to ferrous iron, carbon monoxide and biliverdin in the presence of molecular oxygen and reduced NADPH. The enzyme is induced by metals, particularly cobalt.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A mixed function oxidase enzyme which during hemoglobin catabolism catalyzes the degradation of heme to ferrous iron, carbon monoxide and biliverdin in the presence of molecular oxygen and reduced NADPH. The enzyme is induced by metals, particularly cobalt.

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Classification

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MeSH Record

Synonyms

4 entry terms
  • Haem Oxygenase
  • Heme Oxygenase
  • Oxygenase, Haem
  • Oxygenase, Heme

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

98; was HEME OXYGENASE 1980-97 (see under HYDROXYLASES 1980-90)

MeSH Record

Previous Indexing

  • Heme (1966-1979)
  • Hydroxylases (1966-1979)
  • Oxygenases (1966-1979)

MeSH Hierarchy

Tree Number

MeSH Record

NLM Classification

QU 140

AMA Style

References

  1. National Library of Medicine. Heme Oxygenase (Decyclizing). Medical Subject Headings (MeSH). 2026. Unique ID D006419. http://id.nlm.nih.gov/mesh/2026/D006419
  2. Heme Oxygenase (Decyclizing). In: Wikipedia. https://en.wikipedia.org/wiki/Heme_oxygenase
  3. Heme Oxygenase (Decyclizing). In: Wikidata. https://www.wikidata.org/wiki/Q419972