Chemicals and Drugs

Cytochrome P-450 CYP1A2

A cytochrome P450 enzyme subtype that has specificity for relatively planar heteroaromatic small molecules, such as CAFFEINE and ACETAMINOPHEN.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A cytochrome P450 enzyme subtype that has specificity for relatively planar heteroaromatic small molecules, such as CAFFEINE and ACETAMINOPHEN.

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Classification

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See Also

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Synonyms

16 entry terms
  • CYP 1A2
  • CYP1A2
  • Caffeine Demethylase
  • Cytochrome P-450 LM(4)
  • Cytochrome P-450 LM4
  • Cytochrome P-450d
  • Cytochrome P450 1A2
  • Phenacetin O-Dealkylase
  • CYP1A2, Cytochrome P-450
  • Cytochrome P 450 CYP1A2
  • Cytochrome P 450 LM4
  • Cytochrome P 450d
  • Demethylase, Caffeine
  • O-Dealkylase, Phenacetin
  • P-450 LM4, Cytochrome
  • Phenacetin O Dealkylase

MeSH Record

Aspects Covered

28 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, therapeutic use, toxicity, ultrastructure, urine.

MeSH Record

Indexing Annotation

do not confuse with other cytochrome P-450 CYP's

MeSH Record

History Note

97; was PHENACETIN O-DEALKYLASE (NM) 1976-96

MeSH Record

Previous Indexing

  • Cytochrome P-450 (1976-1996)
  • Oxidoreductases (1980-1996)
  • Phenacetin (1976-1980)

MeSH Hierarchy

Tree Numbers

AMA Style

References

  1. National Library of Medicine. Cytochrome P-450 CYP1A2. Medical Subject Headings (MeSH). 2026. Unique ID D019388. http://id.nlm.nih.gov/mesh/2026/D019388
  2. Cytochrome P-450 CYP1A2. In: Wikipedia. https://en.wikipedia.org/wiki/CYP1A2
  3. Cytochrome P-450 CYP1A2. In: Wikidata. https://www.wikidata.org/wiki/Q3737406