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Results 1 - 8 of 8
EC Number General Information Commentary Reference
Display the word mapDisplay the reaction diagram Show all sequences 1.6.5.10evolution the enzyme is a member of the family of NADPH-dependent FMN reductases 724333
Display the word mapDisplay the reaction diagram Show all sequences 1.6.5.10malfunction arsH mutants are sensitive to the oxidizing agent menadione 724333
Display the word mapDisplay the reaction diagram Show all sequences 1.6.5.10metabolism lack of inhibition by NADP+ versus NADPH at saturating concentrations of 1,4-benzoquinone is consistent with a ping-pong bi-bi mechanism. The reductive half-reaction at pH 6.0 has Kd values of 0.07 mM with NADPH and 1.8 mM with NADH. The kred for flavin reduction is independent of pH with values of about 10 per s with NADPH and about 5 per s with NADH. Hydride transfer from NADPH to FAD is fully rate limiting for the overall turnover of the enzyme 764148
Display the word mapDisplay the reaction diagram Show all sequences 1.6.5.10more although the enzyme is able to stabilize the anionic semiquinone form of the FMN, reduction of quinones involves the hydroquinone form of the flavin cofactor, and the enzymatic reaction occurs through a ping pong-type mechanism. ArsH is able to catalyze one-electron reactions (oxygen and cytocrome c reduction), involving the FMN semiquinone form, but with lower efficiency 724333
Display the word mapDisplay the reaction diagram Show all sequences 1.6.5.10physiological function ArsH plays a role in the response to oxidative stress caused by arsenite 724333
Display the word mapDisplay the reaction diagram Show all sequences 1.6.5.10physiological function presence of Zta1p has an in vivo protective effect on yeast strains exposed to the toxic substrate 3-penten-2-one 714708
Display the word mapDisplay the reaction diagram Show all sequences 1.6.5.10physiological function Pseudomonas putida MET94 is a bacteria that degrades a wide range of structurally distinct azo dyes with high efficiency and the azoreductase PpAzoR plays a key role in this process -, 743650
Display the word mapDisplay the reaction diagram Show all sequences 1.6.5.10physiological function Xanthomonas axonopodis pv. citri is the causal agent of citrus canker. Protein XAC2229 has quinone reductase activity using NADPH as an electron donor and also displays diaphorase activity. A deletion mutant shows less cankers and impaired epiphytic survival compared to the wild-type strain. Survival of the deletion mutant is impaired in the presence of H2O2 and it produces more reactive oxygen species and thiobarbituric acid-reactive substances than the wild type strain. Similar results are observed for Escherichia coli expressing the XAC2229 gene -, 764205
Results 1 - 8 of 8