X-ray diffraction
1.45Å resolution

Improved coordinates for Escherichia coli O157:H7 heme degrading enzyme ChuS.


Function and Biology Details

Biochemical function:
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Hematinate-forming heme oxygenase ChuS Chain: A
Molecule details ›
Chain: A
Length: 354 amino acids
Theoretical weight: 40.08 KDa
Source organism: Escherichia coli O157:H7
Expression system: Escherichia coli BL21(DE3)
  • Canonical: Q8X5N8 (Residues: 1-342; Coverage: 100%)
Gene name: ECs_4379
Sequence domains: Haemin-degrading HemS.ChuX domain
Structure domains: HemS/ChuS/ChuX like domains

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X29A
Spacegroup: R3
Unit cell:
a: 106.487Å b: 106.487Å c: 90.229Å
α: 90° β: 90° γ: 120°
R R work R free
0.135 0.133 0.173
Expression system: Escherichia coli BL21(DE3)