6et2

X-ray diffraction
2.6Å resolution

Crystal structure of PqsBC (C129A) mutant from Pseudomonas aeruginosa (crystal form 3)

Released:

Function and Biology Details

Reaction catalysed:
(1a) octanoyl-CoA + L-cysteinyl-[PqsC protein] = S-octanoyl-L-cysteinyl-[PqsC protein] + CoA
Biochemical function:
Cellular component:

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-191391 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
2-heptyl-4(1H)-quinolone synthase subunit PqsC Chains: A, C, E, G, I, K, M, O
Molecule details ›
Chains: A, C, E, G, I, K, M, O
Length: 365 amino acids
Theoretical weight: 40.32 KDa
Source organism: Pseudomonas aeruginosa PAO1
Expression system: Escherichia coli
UniProt:
  • Canonical: Q9I4X1 (Residues: 1-348; Coverage: 100%)
Gene names: PA0998, pqsC
Sequence domains:
Structure domains: Peroxisomal Thiolase; Chain A, domain 1
2-heptyl-4(1H)-quinolone synthase subunit PqsB Chains: B, D, F, H, J, L, N, P
Molecule details ›
Chains: B, D, F, H, J, L, N, P
Length: 283 amino acids
Theoretical weight: 30.53 KDa
Source organism: Pseudomonas aeruginosa PAO1
Expression system: Escherichia coli
UniProt:
  • Canonical: Q9I4X2 (Residues: 1-283; Coverage: 100%)
Gene names: PA0997, pqsB

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: PETRA III, DESY BEAMLINE P11
Spacegroup: P21
Unit cell:
a: 121.429Å b: 170.179Å c: 148.385Å
α: 90° β: 100.97° γ: 90°
R-values:
R R work R free
0.186 0.184 0.22
Expression system: Escherichia coli