Chemicals and Drugs

Histamine N-Methyltransferase

An enzyme that catalyzes the transfer of a methyl group from S-adenosylmethionine to histamine, forming N-methylhistamine, the major metabolite of histamine in man. EC 2.1.1.8.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

An enzyme that catalyzes the transfer of a methyl group from S-adenosylmethionine to histamine, forming N-methylhistamine, the major metabolite of histamine in man. EC 2.1.1.8.

MeSH Record

Classification

Broader headings

Related Concepts

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MeSH Record

Synonyms

4 entry terms
  • Histamine Methyltransferase
  • Histamine N Methyltransferase
  • Methyltransferase, Histamine
  • N-Methyltransferase, Histamine

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(75)

MeSH Record

Previous Indexing

  • Histamine (1973-1974)
  • Methyltransferases (1973-1974)

MeSH Hierarchy

Tree Number

  1. D08.811w.913w.555.500w.500w

AMA Style

References

  1. National Library of Medicine. Histamine N-Methyltransferase. Medical Subject Headings (MeSH). 2026. Unique ID D006637. http://id.nlm.nih.gov/mesh/2026/D006637
  2. Histamine N-Methyltransferase. In: Wikipedia. https://en.wikipedia.org/wiki/Histamine_N-methyltransferase
  3. Histamine N-Methyltransferase. In: Wikidata. https://www.wikidata.org/wiki/Q1085773