› 4ohu

X-ray diffraction
1.6Å resolution

Crystal structure of Mycobacterium tuberculosis InhA in complex with inhibitor PT92

Released:
DOI: 10.2210/pdb4ohu/pdb
PDB entry 4ohu coloured by chain, front view.
PDB entry 4ohu coloured by chain, side view.
PDB entry 4ohu coloured by chain, top view.
Source organism: Mycobacterium tuberculosis
Primary publication:
A structural and energetic model for the slow-onset inhibition of the Mycobacterium tuberculosis enoyl-ACP reductase InhA.
Li HJ, Lai CT, Pan P, Yu W, Liu N, Bommineni GR, Garcia-Diaz M, Simmerling C, Tonge PJ
OpenAccess logo ACS Chem Biol 9 986-93 (2014)
PMID: 24527857

Function and Biology Details

Reaction catalysed: 
An acyl-[acyl-carrier protein] + NAD(+) = a trans-2,3-dehydroacyl-[acyl-carrier protein] + NADH
Biochemical function:
Biological process:
Cellular component:
Sequence domains:

Structure analysis Details

Assembly composition:
homo tetramer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-161512 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Enoyl-[acyl-carrier-protein] reductase [NADH] Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 289 amino acids
Theoretical weight: 30.73 KDa
Source organism: Mycobacterium tuberculosis
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P9WGR1 (Residues: 1-269; Coverage: 100%)
Gene names: MTCY277.05, Rv1484, inhA
Sequence domains: Enoyl-(Acyl carrier protein) reductase
Structure domains: NAD(P)-binding Rossmann-like Domain

Ligands and Environments


Cofactor: Ligand NAD 4 x NAD
1 bound ligand:
Ligand 2TK 4 x 2TK
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X29A
Spacegroup: P212121
Unit cell:
a: 72.845Å b: 90.486Å c: 161.825Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.172 0.171 0.188
Expression system: Escherichia coli BL21(DE3)

Quick links

Citations

10 review citations

The drug-target residence time model: a 10-year retrospective.
Copeland RA. (2016)
9 more

4 mentions without citation

Time-dependent diaryl ether inhibitors of InhA: structure-activity relationship studies of enzyme inhibition, antibacterial activity, and in vivo efficacy.
Pan et al. (2014)
3 more