Chemicals and Drugs

Acetylserotonin O-Methyltransferase

An enzyme that catalyzes the transfer of a methyl group from S-adenosylmethionine to N-acetylserotonin to form N-acetyl-5-methoxytryptamine (MELATONIN).

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

An enzyme that catalyzes the transfer of a methyl group from S-adenosylmethionine to N-acetylserotonin to form N-acetyl-5-methoxytryptamine (MELATONIN).

MeSH Record

Classification

Broader headings

Related Concepts

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MeSH Record

Synonyms

10 entry terms
  • Acetylserotonin Methyltransferase
  • HIOMT
  • Hydroxyindole O-Methyltransferase
  • Oxyindol-O-Methyltransferase
  • Acetylserotonin O Methyltransferase
  • Hydroxyindole O Methyltransferase
  • Methyltransferase, Acetylserotonin
  • O-Methyltransferase, Acetylserotonin
  • O-Methyltransferase, Hydroxyindole
  • Oxyindol O Methyltransferase

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

2008(1975)

MeSH Record

Previous Indexing

  • Methyltransferases (1974)
  • Serotonin (1974)

MeSH Hierarchy

Tree Number

AMA Style

References

  1. National Library of Medicine. Acetylserotonin O-Methyltransferase. Medical Subject Headings (MeSH). 2026. Unique ID D000121. http://id.nlm.nih.gov/mesh/2026/D000121
  2. Acetylserotonin O-Methyltransferase. In: Wikidata. https://www.wikidata.org/wiki/Q2316973