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Information on EC 3.1.1.81 - quorum-quenching N-acyl-homoserine lactonase

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EC Tree
     3 Hydrolases
         3.1 Acting on ester bonds
             3.1.1 Carboxylic-ester hydrolases
                3.1.1.81 quorum-quenching N-acyl-homoserine lactonase
IUBMB Comments
Acyl-homoserine lactones (AHLs) are produced by a number of bacterial species and are used by them to regulate the expression of virulence genes in a process known as quorum-sensing. Each bacterial cell has a basal level of AHL and, once the population density reaches a critical level, it triggers AHL-signalling which, in turn, initiates the expression of particular virulence genes . Plants or animals capable of degrading AHLs would have a therapeutic advantage in avoiding bacterial infection as they could prevent AHL-signalling and the expression of virulence genes in quorum-sensing bacteria . N-(3-Oxohexanoyl)-L-homoserine lactone, N-(3-oxododecanoyl)-L-homoserine lactone, N-butanoyl-L-homoserine lactone and N-(3-oxooctanoyl)-L-homoserine lactone can act as substrates .
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Word Map
The expected taxonomic range for this enzyme is: Bacteria, Archaea, Eukaryota
Synonyms
ahl-lactonase, ahl-acylase, ahl-degrading enzyme, aiia lactonase, aii20j, n-acyl-homoserine lactonase, n-acylhomoserine lactonase, n-acyl homoserine lactonase, quorum-quenching enzyme, quorum-quenching lactonase, more
REACTION
REACTION DIAGRAM
COMMENTARY hide
ORGANISM
UNIPROT
LITERATURE
an N-acyl-L-homoserine lactone + H2O = an N-acyl-L-homoserine
show the reaction diagram
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