The Enzyme Database

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Accepted name: 2-heptyl-3-hydroxy-4(1H)-quinolone synthase
Reaction: 2-heptyl-4(1H)-quinolone + NADH + H+ + O2 = 2-heptyl-3-hydroxy-4(1H)-quinolone + NAD+ + H2O
Glossary: 2-heptyl-4(1H)-quinolone = 2-heptyl-4-hydroxyquinoline
2-heptyl-3-hydroxy-4(1H)-quinolone = 2-heptyl-3,4-dihydroxyquinoline
Other name(s): PqsH; 2-heptyl-3,4-dihydroxyquinoline synthase
Systematic name: 2-heptyl-4(1H)-quinolone,NADH:oxygen oxidoreductase (3-hydroxylating)
Comments: The enzyme from the bacterium Pseudomonas aeruginosa catalyses the terminal step in biosynthesis of the signal molecule 2-heptyl-3,4-dihydroxyquinoline that plays a role in regulation of virulence genes.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
1.  Schertzer, J.W., Brown, S.A. and Whiteley, M. Oxygen levels rapidly modulate Pseudomonas aeruginosa social behaviours via substrate limitation of PqsH. Mol. Microbiol. 77 (2010) 1527–1538. [DOI] [PMID: 20662781]
[EC created 2013]

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