PDBe 3p9q

X-ray diffraction
1.48Å resolution

Structure of I274C variant of E. coli KatE


Function and Biology Details

Structure analysis Details

Assembly composition:
homo tetramer (preferred)
Entry contents:
1 distinct polypeptide molecule
Catalase HPII Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 753 amino acids
Theoretical weight: 84.2 KDa
Source organism: Escherichia coli K-12
Expression system: Escherichia coli
  • Canonical: P21179 (Residues: 1-753; Coverage: 100%)
Gene names: JW1721, b1732, katE
Sequence domains:
Structure domains:

Ligands and Environments

Cofactor: Ligand HDD 4 x HDD
2 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: CLSI BEAMLINE 08ID-1
Spacegroup: P21
Unit cell:
a: 93.66Å b: 133.02Å c: 122.59Å
α: 90° β: 109.59° γ: 90°
R R work R free
0.145 0.143 0.178
Expression system: Escherichia coli