Chemicals and Drugs

Isoenzymes

Structurally related forms of an enzyme. Each isoenzyme has the same mechanism and classification, but differs in its chemical, physical, or immunological characteristics.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

Structurally related forms of an enzyme. Each isoenzyme has the same mechanism and classification, but differs in its chemical, physical, or immunological characteristics.

MeSH Record

Classification

Broader headings

Related Concepts

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MeSH Record

Synonyms

7 entry terms
  • Isoenzyme
  • Isozyme
  • Isozymes
  • Alloenzyme
  • Alloenzymes
  • Allozyme
  • Allozymes

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

Indexing Annotation

IM general only; coordinate NIM with specific enzyme (IM)

MeSH Record

History Note

67(65)

MeSH Hierarchy

Tree Numbers

  1. D08.811w.348w
  2. D12.776w.800w.300w

AMA Style

References

  1. National Library of Medicine. Isoenzymes. Medical Subject Headings (MeSH). 2026. Unique ID D007527. http://id.nlm.nih.gov/mesh/2026/D007527
  2. Isoenzymes. In: Wikipedia. https://en.wikipedia.org/wiki/Isozyme
  3. Isoenzymes. In: Wikidata. https://www.wikidata.org/wiki/Q407801