Chemicals and Drugs

Phenylalanine Hydroxylase

An enzyme of the oxidoreductase class that catalyzes the formation of L-TYROSINE, dihydrobiopterin, and water from L-PHENYLALANINE, tetrahydrobiopterin, and oxygen. Deficiency of this enzyme may cause PHENYLKETONURIAS and PHENYLKETONURIA, MATERNAL. EC 1.14.16.1.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

An enzyme of the oxidoreductase class that catalyzes the formation of L-TYROSINE, dihydrobiopterin, and water from L-PHENYLALANINE, tetrahydrobiopterin, and oxygen. Deficiency of this enzyme may cause PHENYLKETONURIAS and PHENYLKETONURIA, MATERNAL. EC 1.14.16.1.

MeSH Record

Classification

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See Also

MeSH Record

Synonyms

7 entry terms
  • Phenylalanine 4-Hydroxylase
  • Phenylalanine 4-Monooxygenase
  • 4-Hydroxylase, Phenylalanine
  • 4-Monooxygenase, Phenylalanine
  • Hydroxylase, Phenylalanine
  • Phenylalanine 4 Hydroxylase
  • Phenylalanine 4 Monooxygenase

MeSH Record

Aspects Covered

29 allowable subheadings

Indexed with the subheadings administration & dosage, adverse effects, 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, ultrastructure, urine.

MeSH Record

Indexing Annotation

/defic: consider also PHENYLKETONURIAS and PHENYLKETONURIA, MATERNAL

MeSH Record

History Note

73(71)

MeSH Record

Previous Indexing

  • Hydroxylases (1966-1970)

MeSH Hierarchy

Tree Number

AMA Style

References

  1. National Library of Medicine. Phenylalanine Hydroxylase. Medical Subject Headings (MeSH). 2026. Unique ID D010651. http://id.nlm.nih.gov/mesh/2026/D010651
  2. Phenylalanine Hydroxylase. In: Wikipedia. https://en.wikipedia.org/wiki/Phenylalanine_hydroxylase
  3. Phenylalanine Hydroxylase. In: Wikidata. https://www.wikidata.org/wiki/Q420604