1mj4

X-ray diffraction
1.2Å resolution

Crystal Structure Analysis of the cytochrome b5 domain of human sulfite oxidase

Released:
Source organism: Homo sapiens
Primary publication:
The 1.2 A structure of the human sulfite oxidase cytochrome b(5) domain.
Acta Crystallogr D Biol Crystallogr 59 1183-91 (2003)
PMID: 12832761

Function and Biology Details

Reaction catalysed:
Sulfite + O(2) + H(2)O = sulfate + H(2)O(2)
Biochemical function:
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-156403 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Sulfite oxidase, mitochondrial Chain: A
Molecule details ›
Chain: A
Length: 82 amino acids
Theoretical weight: 9.09 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P51687 (Residues: 79-160; Coverage: 15%)
Gene name: SUOX
Sequence domains: Cytochrome b5-like Heme/Steroid binding domain
Structure domains: Cytochrome b5-like heme/steroid binding domain

Ligands and Environments


Cofactor: Ligand HEM 1 x HEM
2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X26C
Spacegroup: C2
Unit cell:
a: 98.899Å b: 35.447Å c: 26.263Å
α: 90° β: 93.78° γ: 90°
R-values:
R R work R free
0.12 0.118 0.139
Expression system: Escherichia coli