Cloned (Comment) | Organism |
---|---|
gene pqsA is part of the pqsABCDE operon, sequence comparisons, expression of the His-tagged enzyme in Escherichia coli | Pseudomonas aeruginosa |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
2-amino-3-chlorobenzoate | - |
Pseudomonas aeruginosa | |
3-fluoro-O-anisidine | - |
Pseudomonas aeruginosa | |
5-nitroanthranilonitrile | - |
Pseudomonas aeruginosa | |
anthranilonitrile | - |
Pseudomonas aeruginosa | |
methylanthranilate | i.e. 2-aminobenzoate methyl ester | Pseudomonas aeruginosa | |
additional information | effects of substrate analogues on in vitro anthranilate-CoA ligase activity and in vivo PQS production in Pseudomonas aeruginosa, overview | Pseudomonas aeruginosa | |
salicylate | - |
Pseudomonas aeruginosa |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
Mg2+ | - |
Pseudomonas aeruginosa |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
ATP + anthranilate + CoA | Pseudomonas aeruginosa | the Pseudomonas quinolone signal PQS is a 3-hydroxy-4-quinolone with a 2-alkyl substitution, which is synthesized by the condensation of anthranilic acid with a 3-keto-fatty acid, pathway for PQS biosynthesis, anthranilate is activated by PqsA to form anthraniloyl-CoA, and this is condensed with 2-oxo-decanoyl-ACP which is recruited from the fatty acid biosynthetic pathway, overview | AMP + diphosphate + anthranilyl-CoA | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Pseudomonas aeruginosa | Q9I4X3 | gene pqsA | - |
Purification (Comment) | Organism |
---|---|
recombinant His-tagged PqsA 58fold from Escherichia coli by ammonium sulfate fractionation, metal affinity and hydrophobic interaction chromatography, and anion exchange chromatography | Pseudomonas aeruginosa |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
ATP + anthranilate + CoA | - |
Pseudomonas aeruginosa | AMP + diphosphate + anthranilyl-CoA | - |
? | |
ATP + anthranilate + CoA | the Pseudomonas quinolone signal PQS is a 3-hydroxy-4-quinolone with a 2-alkyl substitution, which is synthesized by the condensation of anthranilic acid with a 3-keto-fatty acid, pathway for PQS biosynthesis, anthranilate is activated by PqsA to form anthraniloyl-CoA, and this is condensed with 2-oxo-decanoyl-ACP which is recruited from the fatty acid biosynthetic pathway, overview | Pseudomonas aeruginosa | AMP + diphosphate + anthranilyl-CoA | - |
? |
Synonyms | Comment | Organism |
---|---|---|
anthranilate-coenzyme A ligase | - |
Pseudomonas aeruginosa |
PqsA | - |
Pseudomonas aeruginosa |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
37 | - |
assay at | Pseudomonas aeruginosa |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
8.5 | - |
- |
Pseudomonas aeruginosa |
pH Minimum | pH Maximum | Comment | Organism |
---|---|---|---|
7 | 9 | - |
Pseudomonas aeruginosa |
Cofactor | Comment | Organism | Structure |
---|---|---|---|
ATP | - |
Pseudomonas aeruginosa |
Ki Value [mM] | Ki Value maximum [mM] | Inhibitor | Comment | Organism | Structure |
---|---|---|---|---|---|
0.0129 | - |
2-amino-3-chlorobenzoate | pH 8.0, 37°C | Pseudomonas aeruginosa | |
0.0183 | - |
salicylate | pH 8.0, 37°C | Pseudomonas aeruginosa | |
0.037 | - |
5-nitroanthranilonitrile | pH 8.0, 37°C | Pseudomonas aeruginosa | |
0.0897 | - |
3-fluoro-O-anisidine | pH 8.0, 37°C | Pseudomonas aeruginosa | |
1.3 | - |
anthranilonitrile | pH 8.0, 37°C | Pseudomonas aeruginosa | |
5.8 | - |
methylanthranilate | pH 8.0, 37°C | Pseudomonas aeruginosa |