2g4o

X-ray diffraction
2Å resolution

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

Assemblies composition:
homo dimer (preferred)
homo tetramer
PDBe Complex ID:
PDB-CPX-161752 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
3-isopropylmalate dehydrogenase Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 337 amino acids
Theoretical weight: 35.44 KDa
Source organism: Mycobacterium tuberculosis
Expression system: Escherichia coli
UniProt:
  • Canonical: P9WKK9 (Residues: 2-336; Coverage: 100%)
Gene names: MTV012.09, Rv2995c, leuB
Sequence domains: Isocitrate/isopropylmalate dehydrogenase
Structure domains: Isopropylmalate Dehydrogenase

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: EMBL/DESY, HAMBURG BEAMLINE X12
Spacegroup: P212121
Unit cell:
a: 78.57Å b: 98.58Å c: 184.03Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.21 0.209 0.26
Expression system: Escherichia coli