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ENZYME entry: EC

Accepted Name
2-heptyl-4(1H)-quinolone synthase.
Reaction catalysed
Octanoyl-CoA + 2-aminobenzoylacetate <=> 2-heptyl-4(1H)-quinolone + CoA + CO(2) + H(2)O
  • The enzyme, characterized from the bacterium Pseudomonas aeruginosa, is a heterodimeric complex.
  • The PqsC subunit acquires an octanoyl group from octanoyl-CoA and attaches it to an internal cysteine residue.
  • Together with the PqsB subunit, the proteins catalyze the coupling of the octanoyl group with (2-aminobenzoyl)acetate, leading to decarboxylation and dehydration events that result in closure of the quinoline ring.
PRIAM enzyme-specific profiles2.3.1.230
KEGG Ligand Database for Enzyme Nomenclature2.3.1.230
IUBMB Enzyme Nomenclature2.3.1.230
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All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 2.3.1.-
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