› 4e37

X-ray diffraction
2.53Å resolution

Crystal Structure of P. aeruginosa catalase, KatA tetramer

Released:
DOI: 10.2210/pdb4e37/pdb
PDB entry 4e37 coloured by chain, front view.
PDB entry 4e37 coloured by chain, side view.
PDB entry 4e37 coloured by chain, top view.
Source organism: Pseudomonas aeruginosa PAO1
Entry authors: VanderWielen BD, Wilson JJ, Kovall RA

Function and Biology Details

Reaction catalysed: 
2 H(2)O(2) = O(2) + 2 H(2)O
Biochemical function:
Biological process:
Cellular component:
Sequence domains:

Structure analysis Details

Assembly composition:
homo tetramer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-129409 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Catalase Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 484 amino acids
Theoretical weight: 55.86 KDa
Source organism: Pseudomonas aeruginosa PAO1
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: O52762 (Residues: 3-482; Coverage: 100%)
Gene names: PA4236, katA
Sequence domains:
Structure domains: Catalase core domain

Ligands and Environments


Cofactor: Ligand HEM 4 x HEM
1 bound ligand:
Ligand NDP 4 x NDP
1 modified residue:
Ligand OMT 4 x OMT

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 23-ID-D
Spacegroup: P21
Unit cell:
a: 67.733Å b: 167.427Å c: 90.547Å
α: 90° β: 111.4° γ: 90°
R-values:
R R work R free
0.176 0.174 0.2
Expression system: Escherichia coli BL21(DE3)

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