1k2w

X-ray diffraction
2.4Å resolution

Crystal structure of sorbitol dehydrogenase from R. sphaeroides

Released:

Function and Biology Details

Reactions catalysed:
L-iditol + NAD(+) = L-sorbose + NADH
Galactitol + NAD(+) = D-tagatose + NADH
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assemblies composition:
homo dimer (preferred)
homo tetramer
Assembly name:
PDBe Complex ID:
PDB-CPX-176824 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Sorbitol dehydrogenase Chains: A, B
Molecule details ›
Chains: A, B
Length: 256 amino acids
Theoretical weight: 27.04 KDa
Source organism: Cereibacter sphaeroides
Expression system: Escherichia coli
UniProt:
  • Canonical: Q59787 (Residues: 1-256; Coverage: 100%)
Gene names: polS, smoS
Sequence domains: Enoyl-(Acyl carrier protein) reductase
Structure domains: NAD(P)-binding Rossmann-like Domain

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: OTHER
Spacegroup: P3121
Unit cell:
a: 67.465Å b: 67.465Å c: 191.044Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.188 0.188 0.238
Expression system: Escherichia coli