Chemicals and Drugs

Arachidonate 5-Lipoxygenase

An enzyme that catalyzes the oxidation of arachidonic acid to yield 5-hydroperoxyarachidonate (5-HPETE) which is rapidly converted by a peroxidase to 5-hydroxy-6,8,11,14-eicosatetraenoate (5-HETE). The 5-hydroperoxides are preferentially formed in leukocytes.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

An enzyme that catalyzes the oxidation of arachidonic acid to yield 5-hydroperoxyarachidonate (5-HPETE) which is rapidly converted by a peroxidase to 5-hydroxy-6,8,11,14-eicosatetraenoate (5-HETE). The 5-hydroperoxides are preferentially formed in leukocytes.

MeSH Record

Classification

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MeSH Record

Synonyms

15 entry terms
  • 5-Lipoxygenase
  • Arachidonic Acid 5-Lipoxygenase
  • LTA4 Synthase
  • Leukotriene A Synthase
  • Leukotriene A4 Synthase
  • Leukotriene A4 Synthetase
  • 5 Lipoxygenase
  • 5-Lipoxygenase, Arachidonate
  • 5-Lipoxygenase, Arachidonic Acid
  • Arachidonate 5 Lipoxygenase
  • Arachidonic Acid 5 Lipoxygenase
  • Synthase, LTA4
  • Synthase, Leukotriene A
  • Synthase, Leukotriene A4
  • Synthetase, Leukotriene A4

MeSH Record

Aspects Covered

28 allowable subheadings

Indexed with the subheadings administration & dosage, adverse effects, analysis, 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

91(87); was see under ARACHIDONATE LIPOXYGENASES 1987-90

MeSH Record

Previous Indexing

  • Lipoxygenases (1974-1986)
  • Oxygenases (1966-1973)

MeSH Hierarchy

Tree Numbers

AMA Style

References

  1. National Library of Medicine. Arachidonate 5-Lipoxygenase. Medical Subject Headings (MeSH). 2026. Unique ID D001094. http://id.nlm.nih.gov/mesh/2026/D001094
  2. Arachidonate 5-Lipoxygenase. In: Wikipedia. https://en.wikipedia.org/wiki/Arachidonate_5-lipoxygenase
  3. Arachidonate 5-Lipoxygenase. In: Wikidata. https://www.wikidata.org/wiki/Q94234745