Chemicals and Drugs

Enzymes

Biological molecules that possess catalytic activity. They may occur naturally or be synthetically created. Enzymes are usually proteins, however CATALYTIC RNA and CATALYTIC DNA molecules have also been identified.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

Biological molecules that possess catalytic activity. They may occur naturally or be synthetically created. Enzymes are usually proteins, however CATALYTIC RNA and CATALYTIC DNA molecules have also been identified.

MeSH Record

Classification

Related Concepts

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See Also

MeSH Record

Synonyms

3 entry terms
  • Biocatalyst
  • Biocatalysts
  • Enzyme

MeSH Record

Aspects Covered

27 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, toxicity, ultrastructure, urine.

MeSH Record

Indexing Annotation

general only: avoid; prefer specific enzyme or / enzymol: Manual 19.7+, 19.8.30; policy: Manual 25.18+; SUBSTRATE SPECIFICITY, restricted to enzymes, is available; ENZYME TESTS, CLINICAL is available for measuring the level of a specific enzyme in the diagnosis of a disease; ENZYME ACTIVATION; ENZYME REPRESSION; ENZYME STABILITY are also available; ENZYME INDUCTION: coordinate with specific enzyme / biosyn

MeSH Hierarchy

Tree Number

  1. D08.811w

AMA Style

References

  1. National Library of Medicine. Enzymes. Medical Subject Headings (MeSH). 2026. Unique ID D004798. http://id.nlm.nih.gov/mesh/2026/D004798
  2. Enzymes. In: Wikipedia. https://en.wikipedia.org/wiki/Enzyme
  3. Enzymes. In: Wikidata. https://www.wikidata.org/wiki/Q8047