phenylalanine hydroxylasemedical dictionary

<enzyme>

<cell biology> An enzyme of the oxidoreductase class that catalyses the reaction l-phenylalanine, tetrahydrobiopterin, and oxygen to yield l-tyrosine, dihydrobiopterin, and water, the reaction synthesizing tyrosine from phenylalanine.

Chemical name: L-Phenylalanine,tetrahydrobiopterin:oxygen oxidoreductase (4-hydroxylating)

Registry number: EC 1.14.16.1

(12 Dec 1998)