Protein
Probable 2-heptyl-3-hydroxy-4(1H)-quinolone synthase AqdB2
Organism
Rhodococcus erythropolis
Function
Involved in the degradation of the Pseudomonas aeruginosa quorum sensing signal molecule HHQ (2-heptyl-4-quinolone) to anthranilic acid. Probably catalyzes the hydroxylation of HHQ to PQS (2-heptyl-3-hydroxy-4-quinolone).
Similarity
Belongs to the 3-hydroxybenzoate 6-hydroxylase family.
Sequence
MTQRNAIVVGGGIGGLTAASALARQGWRVQLHERQPEIRAVGAGIYIWDNGLFALDAVHAYSEAIEGAHEPPSIDMRGQSGKTLMRIKINGESQPRCLTLLRDQLIKALVNAAKDAGVELVTNSSVVAVRPEGEVHFEHGDHSTTDLVVVADGVHSRLRDSVDLSYSRIRMSQGAARIMIPQSSHELPAEDRGRILESFHGSRRLLYTPCTPELVYLAFTCDSDDPAISGAYINTSEWSRSFPTLSDALRATEGVPATRWDTFEYVRLASWSRGKVAFLGDAAHAQPPYLGQGGGTAMTNAIALANAVSSDMELSEALATWERITRPGIESTQRTSYQQRLLNYVPDRVRNPLVRIAGLTSNVAKSQLKATEIRPTLGSTGGSR