Chemicals and Drugs

Photoaffinity Labels

Biologically active molecules which are covalently bound to the enzymes or binding proteins normally acting on them. Binding occurs due to activation of the label by ultraviolet light. These labels are used primarily to identify binding sites on proteins.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

Biologically active molecules which are covalently bound to the enzymes or binding proteins normally acting on them. Binding occurs due to activation of the label by ultraviolet light. These labels are used primarily to identify binding sites on proteins.

MeSH Record

Classification

Broader headings

Related Concepts

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MeSH Record

Synonyms

1 entry terms
  • Labels, Photoaffinity

MeSH Record

Aspects Covered

18 allowable subheadings

Indexed with the subheadings administration & dosage, adverse effects, analysis, chemical synthesis, chemistry, classification, economics, history, isolation & purification, metabolism, pharmacokinetics, pharmacology, poisoning, radiation effects, standards, supply & distribution, therapeutic use, toxicity.

MeSH Record

History Note

98

MeSH Record

Previous Indexing

  • Affinity Labels (1975-1997)

MeSH Hierarchy

Tree Number

  1. D27.720.470.410.080.600w

AMA Style

References

  1. National Library of Medicine. Photoaffinity Labels. Medical Subject Headings (MeSH). 2026. Unique ID D019920. http://id.nlm.nih.gov/mesh/2026/D019920
  2. Photoaffinity Labels. In: Wikipedia. https://en.wikipedia.org/wiki/Photoaffinity_labeling
  3. Photoaffinity Labels. In: Wikidata. https://www.wikidata.org/wiki/Q16943198