Medical Definition of Phenylalanine 4-hydroxylase
1.
An enzyme that catalyses the oxidation of l-phenylalanine to l-tyrosine with O2 and tetrahydrobiopterin (the latter forming the dihydro derivative) which is reduced by NADPH and a reductase to the active form; a deficiency of either of these enzymes will result in phenylketonuria.
Synonym: phenylalanine 4-hydroxylase.
(05 Mar 2000)
Lexicographical Neighbors of Phenylalanine 4-hydroxylase
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