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Enzyme catalysis

Stefan-CoA
in Homework Help

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Hi all

 

I'm stuck with a question concerning the conversion of p-nitrophenol to hydroquinone and nitrite. It's an enzyme catalysed reaction that uses an O2 equivalent and 2 NADH equivalents. I need to determine which co-factor is involved as well as the exact mechanism of action. I got as far as determining FAD/FMN as the co-factor (I hope), but beyond that I'm stumped. A gentle hint would make me a very happy boy.

 

Thanks in advance

 

S

In this reaction oxidative release takes place of p-nitrophenol to hydroquinone through a bacterial enzyme .Thats the only hint i can give you , you can proceed further .

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Thanks

 

But we managed to figure it out. For interest's sake; it involved an FAD-peroxo intermediate as well as mono-oxygenation and resonance about the benzene ring

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