1.3.99.18: quinaldate 4-oxidoreductase

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For detailed information about quinaldate 4-oxidoreductase, go to the full flat file.

Reaction

Synonyms

Oxidase, quinaldate 4-, Quinaldic acid 4-oxidoreductase

ECTree

1 Oxidoreductases

1.3 Acting on the CH-CH group of donors

1.3.99 With unknown physiological acceptors

1.3.99.18 quinaldate 4-oxidoreductase

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Results	in table
1	CAS Registry Number
2	Cofactor
1	General Stability
18	Inhibitors
4	KM Value [mM]
4	Metals/Ions
5	Molecular Weight [Da]
2	Natural Substrates/ Products (Substrates)
4	Organism
1	pH Optimum
2	Purification (Commentary)
1	Reaction
2	Reaction Type
4	Reference
2	Specific Activity [micromol/min/mg]
2	Storage Stability
20	Substrates and Products (Substrate)
4	Subunits
2	Synonyms
1	Systematic Name
2	Temperature Optimum [°C]
1	Temperature Stability [°C]

Systematic Name

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Systematic Name on EC 1.3.99.18 - quinaldate 4-oxidoreductase

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quinoline-2-carboxylate:acceptor 4-oxidoreductase (hydroxylating)

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.