3udo

X-ray diffraction
2.3Å resolution

Crystal structure of putative isopropylamlate dehydrogenase from Campylobacter jejuni

Released:
Source organism: Campylobacter jejuni
Entry authors: Tkaczuk KL, Chruszcz M, Blus BJ, Onopriyenko O, Grimshaw S, Savchenko A, Anderson WF, Minor W, Center for Structural Genomics of Infectious Diseases (CSGID)

Function and Biology Details

Reaction catalysed:
(1a) (2R,3S)-3-isopropylmalate + NAD(+) = (2S)-2-isopropyl-3-oxosuccinate + NADH
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
PDBe Complex ID:
PDB-CPX-192910 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
3-isopropylmalate dehydrogenase Chain: A
Molecule details ›
Chain: A
Length: 361 amino acids
Theoretical weight: 40.02 KDa
Source organism: Campylobacter jejuni
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q9PLW0 (Residues: 1-358; Coverage: 100%)
Gene names: Cj1718c, leuB
Sequence domains: Isocitrate/isopropylmalate dehydrogenase
Structure domains: Isopropylmalate Dehydrogenase

Ligands and Environments

2 bound ligands:
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-ID
Spacegroup: P43212
Unit cell:
a: 74.794Å b: 74.794Å c: 163.787Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.178 0.176 0.217
Expression system: Escherichia coli BL21(DE3)