5ubk

Inactive S1A/N269D-cpPvdQ mutant in complex with the pyoverdine precursor PVDIq reveals a specific binding pocket for the D-Tyr of this substrate

spinqualitylabelsall models 5ubk, resolution 2.55Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 5ubk is a 1 chain structure with sequence from "bacillus_aeruginosus"_(schroeter_1872)_trevisan_1885 "bacillus aeruginosus" (schroeter 1872) trevisan 1885. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Ligands: 83M Related: 5ubl Gene: pvdQ ("Bacillus aeruginosus" (Schroeter 1872) Trevisan 1885) Activity: Acyl-homoserine-lactone acylase, with EC number 3.5.1.97 Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function [PVDQ_PSEAE] Catalyzes the deacylation of acyl-homoserine lactone (AHL or acyl-HSL), releasing homoserine lactone (HSL) and the corresponding fatty acid. Possesses a specificity for the degradation of long-chain acyl-HSLs (side chains of 11 to 14 carbons in length). Degrades 3-oxo-C12-HSL, one of the two main AHL signal molecules of P.aeruginosa, and thereby functions as a quorum quencher, inhibiting the las quorum-sensing system. Therefore, may enable P.aeruginosa to modulate its own quorum-sensing-dependent pathogenic potential. Also appears to be required for pyoverdin biosynthesis.

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