What does phenylalanine hydroxylase mean?
Definitions for phenylalanine hydroxylase
phenyl·ala·nine hydrox·y·lase
This dictionary definitions page includes all the possible meanings, example usage and translations of the word phenylalanine hydroxylase.
Wikidata
Phenylalanine hydroxylase
Phenylalanine hydroxylase is an enzyme that catalyzes the hydroxylation of the aromatic side-chain of phenylalanine to generate tyrosine. PheOH is one of three members of the pterin-dependent amino acid hydroxylases, a class of monooxygenase that uses tetrahydrobiopterin and a non-heme iron for catalysis. During the reaction, molecular oxygen is heterolytically cleaved with sequential incorporation of one oxygen atom into BH4 and phenylalanine substrate. Phenylalanine hydroxylase is the rate-limiting enzyme of the metabolic pathway that degrades excess phenylalanine. Research on phenylalanine hydroxylase by Seymour Kaufman led to the discovery of tetrahydrobiopterin as a biological cofactor. The enzyme is also interesting from a human health perspective because mutations in PAH, the encoding gene, can lead to phenylketonuria, a severe metabolic disorder.
U.S. National Library of Medicine
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.
Numerology
Chaldean Numerology
The numerical value of phenylalanine hydroxylase in Chaldean Numerology is: 4
Pythagorean Numerology
The numerical value of phenylalanine hydroxylase in Pythagorean Numerology is: 4
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"phenylalanine hydroxylase." Definitions.net. STANDS4 LLC, 2024. Web. 6 Dec. 2024. <https://www.definitions.net/definition/phenylalanine+hydroxylase>.
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