PDBe 3p9s

X-ray diffraction
1.9Å resolution

Structure of I274A 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: 84.28 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: Rossmann fold

Ligands and Environments

2 bound ligands:

1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: CLSI BEAMLINE 08ID-1
Spacegroup: P21
Unit cell:
a: 93.56Å b: 133.17Å c: 122.81Å
α: 90° β: 109.24° γ: 90°
R R work R free
0.14 0.137 0.191
Expression system: Escherichia coli