Chemicals and Drugs

Affinity Labels

Analogs of those substrates or compounds which bind naturally at the active sites of proteins, enzymes, antibodies, steroids, or physiological receptors. These analogs form a stable covalent bond at the binding site, thereby acting as inhibitors of the proteins or steroids.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

Analogs of those substrates or compounds which bind naturally at the active sites of proteins, enzymes, antibodies, steroids, or physiological receptors. These analogs form a stable covalent bond at the binding site, thereby acting as inhibitors of the proteins or steroids.

MeSH Record

Classification

Broader headings

Narrower headings

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MeSH Record

Synonyms

4 entry terms
  • Affinity Labeling Reagents
  • Labeling Reagents, Affinity
  • Labels, Affinity
  • Reagents, Affinity Labeling

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

Indexing Annotation

D25-26 qualif; use with caution: few apply

MeSH Record

History Note

75

MeSH Record

Previous Indexing

  • Binding Sites (1968-1974)
  • Indicators and Reagents (1968-1974)

MeSH Hierarchy

Tree Number

  1. D27.720.470.410.080

AMA Style

References

  1. National Library of Medicine. Affinity Labels. Medical Subject Headings (MeSH). 2026. Unique ID D000345. http://id.nlm.nih.gov/mesh/2026/D000345
  2. Affinity Labels. In: Wikidata. https://www.wikidata.org/wiki/Q50429801