1ub2

X-ray diffraction
2.4Å resolution

Crystal structure of catalase-peroxidase from Synechococcus PCC 7942

Released:
Entry authors: Wada K, Tada T

Function and Biology Details

Reaction catalysed:
2 H(2)O(2) = O(2) + 2 H(2)O
Biochemical function:
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-174268 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Catalase-peroxidase Chain: A
Molecule details ›
Chain: A
Length: 720 amino acids
Theoretical weight: 80 KDa
Source organism: Synechococcus elongatus PCC 7942 = FACHB-805
Expression system: Escherichia coli
UniProt:
  • Canonical: Q31MN3 (Residues: 1-329, 330-720; Coverage: 100%)
Gene names: Synpcc7942_1656, katG
Sequence domains: Peroxidase
Structure domains:

Ligands and Environments


Cofactor: Ligand HEM 1 x HEM
No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SPRING-8 BEAMLINE BL41XU
Spacegroup: P41212
Unit cell:
a: 109.208Å b: 109.208Å c: 202.661Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.199 0.199 0.232
Expression system: Escherichia coli