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Dihydrobiopterin reductase : ウィキペディア英語版 | Dihydrobiopterin reductase Dihydrobiopterin is a compound produced in the synthesis of dopamine, norepinephrine and epinephrine through production of the intermediate 3,4-dihydroxy phenylalanine, also known as dopa. Phenylalanine is converted into dopa using tetrahydrobiopterin releasing dihydrobiopterin and water, which is then converted back into tetrahydrobiopterin using the NADPH-dependent enzyme dihydrobiopterin reductase. This enzyme is sometimes defective in patients with phenylketonuria, and is treated in the same fashion, with tyrosine supplements and a controlled diet which is lacking in phenylalanine. ==See also==
* Sepiapterin reductase
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Dihydrobiopterin reductase」の詳細全文を読む
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