X-ray diffraction
1.79Å resolution

Structure of I274C variant of E. coli KatE[] - Images 13-18


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

Cofactor: Ligand HDE 4 x HDE
1 bound ligand:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: CLSI BEAMLINE 08ID-1
Spacegroup: P21
Unit cell:
a: 93.507Å b: 133.031Å c: 122.646Å
α: 90° β: 109.39° γ: 90°
R R work R free
0.144 0.141 0.189
Expression system: Escherichia coli