4fnh

X-ray diffraction
1.9Å resolution

Crystal structure of IsdI-W66Y in complex with heme

Released:

Function and Biology Details

Reaction catalysed:
Protoheme + 5 reduced acceptor + 4 O(2) = 15-oxo-beta-bilirubin + Fe(2+) + formaldehyde + 5 acceptor + 4 H(2)O
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
PDBe Complex ID:
PDB-CPX-181333 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Heme oxygenase (staphylobilin-producing) 2 Chains: A, B
Molecule details ›
Chains: A, B
Length: 110 amino acids
Theoretical weight: 12.99 KDa
Source organism: Staphylococcus aureus subsp. aureus N315
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q7A827 (Residues: 1-108; Coverage: 100%)
Gene names: SA0160, isdI
Sequence domains: Antibiotic biosynthesis monooxygenase
Structure domains: Alpha-Beta Plaits

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: CLSI BEAMLINE 08ID-1
Spacegroup: P212121
Unit cell:
a: 59.49Å b: 68.8Å c: 73.17Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.195 0.193 0.23
Expression system: Escherichia coli BL21(DE3)