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Phytoene desaturase (lycopene-forming) (, ''4-step phytoene desaturase'', ''four-step phytoene desaturase'', ''phytoene desaturase (ambiguous)'', ''CrtI (ambiguous)'') is an enzyme with system name ''15-cis-phytoene:acceptor oxidoreductase (lycopene-forming)''. This enzyme catalyses the following chemical reaction : 15-''cis''-phytoene + 4 acceptor all-''trans''-lycopene + 4 reduced acceptor (overall reaction) : (1a) 15-''cis''-phytoene + acceptor all-''trans''-phytofluene + reduced acceptor : (1b) all-''trans''-phytofluene + acceptor all-''trans''-''zeta''-carotene + reduced acceptor : (1c) all-''trans''-''zeta''-carotene + acceptor all-''trans''-neurosporene + reduced acceptor: : (1d) all-''trans''-neurosporene + acceptor all-''trans''-lycopene + reduced acceptor This enzyme is involved in carotenoid biosynthesis. == References == 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「Phytoene desaturase (lycopene-forming)」の詳細全文を読む スポンサード リンク
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