Chemicals and Drugs

Cystine

A covalently linked dimeric nonessential amino acid formed by the oxidation of CYSTEINE. Two molecules of cysteine are joined together by a disulfide bridge to form cystine.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A covalently linked dimeric nonessential amino acid formed by the oxidation of CYSTEINE. Two molecules of cysteine are joined together by a disulfide bridge to form cystine.

MeSH Record

Classification

Broader headings

Related Concepts

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MeSH Record

Synonyms

3 entry terms
  • L-Cystine
  • L Cystine
  • Copper Cystinate

MeSH Record

Aspects Covered

29 allowable subheadings

Indexed with the subheadings administration & dosage, adverse effects, agonists, analogs & derivatives, 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.

MeSH Record

Indexing Annotation

do not confuse with CYSTEINE

MeSH Hierarchy

Tree Numbers

  1. D01w.248w.497w.158w.874w.390w.369
  2. D01w.875w.350w.850w.150w.369
  3. D02w.886w.030w.230w.369
  4. D02w.886w.520w.150w.087
  5. D12.125w.095w.369
  6. D12.125w.119.369
  7. D12.125w.166w.230w.369

MeSH Record

NLM Classification

QU 60

AMA Style

References

  1. National Library of Medicine. Cystine. Medical Subject Headings (MeSH). 2026. Unique ID D003553. http://id.nlm.nih.gov/mesh/2026/D003553
  2. Cystine. In: Wikidata. https://www.wikidata.org/wiki/Q27102343