X-ray diffraction
2.2Å resolution

Crystal Structure of ChmJ, a 3'-monoepimerase apoenzyme from Streptomyces bikiniensis


Function and Biology Details

Reaction catalysed:
dTDP-4-dehydro-6-deoxy-alpha-D-glucose = dTDP-4-dehydro-6-deoxy-alpha-D-allose
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
dTDP-4-dehydro-6-deoxyglucose 3-epimerase Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 198 amino acids
Theoretical weight: 21.95 KDa
Source organism: Streptomyces bikiniensis
Expression system: Escherichia coli
  • Canonical: Q5SFD1 (Residues: 1-196; Coverage: 100%)
Gene name: chmJ
Sequence domains: dTDP-4-dehydrorhamnose 3,5-epimerase
Structure domains: Jelly Rolls

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-BM
Spacegroup: I4
Unit cell:
a: 141.587Å b: 141.587Å c: 115.576Å
α: 90° β: 90° γ: 90°
R R work R free
0.217 0.215 0.259
Expression system: Escherichia coli