X-ray diffraction
1.3Å resolution

cysteine dioxygenase variant - C93A at pH 8.0 in complex with homocysteine


Function and Biology Details

Reaction catalysed:
L-cysteine + O(2) = 3-sulfinoalanine
Biochemical function:
Cellular component:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Cysteine dioxygenase type 1 Chain: A
Molecule details ›
Chain: A
Length: 200 amino acids
Theoretical weight: 23.03 KDa
Source organism: Rattus norvegicus
Expression system: Escherichia coli
  • Canonical: P21816 (Residues: 1-200; Coverage: 100%)
Gene name: Cdo1
Sequence domains: Cysteine dioxygenase type I
Structure domains: Jelly Rolls

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ALS BEAMLINE 5.0.1
Spacegroup: P43212
Unit cell:
a: 57.6Å b: 57.6Å c: 122.4Å
α: 90° β: 90° γ: 90°
R R work R free
0.16 0.157 0.186
Expression system: Escherichia coli