1otv

X-ray diffraction
2.1Å resolution

PqqC, Pyrroloquinolinquinone Synthase C

Released:
Model geometry
Fit model/data

Function and Biology Details

Reaction catalysed:
6-(2-amino-2-carboxyethyl)-7,8-dioxo-1,2,3,4,7,8-hexahydroquinoline-2,4-dicarboxylate + 3 O(2) = 4,5-dioxo-4,5-dihydro-1H-pyrrolo[2,3-f]quinoline-2,7,9-tricarboxylate + 2 H(2)O(2) + 2 H(2)O 
Cellular component:
  • not assigned

Structure analysis Details

Assemblies composition:
homo dimer (preferred)
homo tetramer
PDBe Complex ID:
PDB-CPX-151021 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Pyrroloquinoline-quinone synthase Chains: A, B
Molecule details ›
Chains: A, B
Length: 259 amino acids
Theoretical weight: 30.14 KDa
Source organism: Klebsiella pneumoniae
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: P27505 (Residues: 1-251; Coverage: 100%)
Gene name: pqqC
Sequence domains: TENA/THI-4/PQQC family
Structure domains: Heme oxygenase-like

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL9-1
Spacegroup: P21212
Unit cell:
a: 74.151Å b: 118.127Å c: 68.838Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.197 0.195 0.23
Expression system: Escherichia coli BL21