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Information on EC - quinaldate 4-oxidoreductase

for references in articles please use BRENDA:EC1.3.99.18
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IUBMB Comments
The enzyme from Pseudomonas sp. AK2 also acts on quinoline-8-carboxylate, whereas that from Serratia marcescens 2CC-1 will oxidize nicotinate; quinaldate is a substrate for both of these enzymes. 2,4,6-Trinitrobenzene sulfonate, 1,4-benzoquinone, 1,2-naphthoquinone, nitroblue tetrazolium, thionine and menadione will serve as an electron acceptor for the former enzyme and ferricyanide for the latter; Meldola blue, iodonitrotetrazolium chloride, phenazine methosulfate, 2,6-dichlorophenolindophenol and cytochrome c will act as electron acceptors for both.
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The expected taxonomic range for this enzyme is: Eukaryota, Bacteria
quinaldic acid 4-oxidoreductase, more
Quinaldate + acceptor + H2O = kynurenate + reduced acceptor
show the reaction diagram
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