产品内容
本酶催化的反应为(1) Uracil + FMNH2 + O2 + NADH = (Z)-3-Ureidoacrylate + H2O + FMN + NAD+ + H+ (Overall Reaction);;(1a) FMNH2 + O2 = FMN-N5-Peroxide;;(1b) Uracil + FMN-N5-Peroxide = (Z)-3-Ureidoacrylate + FMN-N5-Oxide;;(1c) FMN-N5-Oxide + NADH = FMN + H2O + NAD+ + H+ (Spontaneous);;(2) Thymine + FMNH2 + O2 + NADH = (Z)-2-Methylureidoacrylate + H2O + FMN + NAD+ + H+ (Overall Reaction);;(2a) FMNH2 + O2 = FMN-N5-Peroxide;;(2b) Thymine + FMN-N5-Peroxide = (Z)-2-Methylureidoacrylate + FMN-N5-Oxide;;(2c) FMN-N5-Oxide + NADH = FMN + H2O + NAD+ + H+ (Spontaneous),系统名称为Uracil,FMNH2:oxygen Oxidoreductase (Uracil Hydroxylating, Ring-Opening),该酶参与 Rut 嘧啶分解代谢途径。该酶形成的黄素-N5-氧化物会与 NADH 自发反应生成氧化型黄素,并释放一个水分子。