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phenylethanolamine N-methyltransferase

Pronunciation: fen'il-eth-a-no'la-men meth'il-trans'fer-as

Definition: A key enzyme in catecholamine biosynthesis that catalyzes the conversion of norepinephrine to epinephrine, using S-adenosyl-l-methionine; found in the adrenal medulla and some neurons; this enzyme's biosynthesis is induced by cortisol.

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.