› 3n8k

X-ray diffraction
2.25Å resolution

Type II dehydroquinase from Mycobacterium tuberculosis complexed with citrazinic acid

Released:
DOI: 10.2210/pdb3n8k/pdb
PDB entry 3n8k coloured by chain, front view.
PDB entry 3n8k coloured by chain, side view.
PDB entry 3n8k coloured by chain, top view.
Source organism: Mycobacterium tuberculosis
Primary publication:
Structural investigation of inhibitor designs targeting 3-dehydroquinate dehydratase from the shikimate pathway of Mycobacterium tuberculosis.
Dias MV, Snee WC, Bromfield KM, Payne RJ, Palaninathan SK, Ciulli A, Howard NI, Abell C, Sacchettini JC, Blundell TL
Biochem J 436 729-39 (2011)
PMID: 21410435

Function and Biology Details

Reaction catalysed: 
3-dehydroquinate = 3-dehydroshikimate + H(2)O
Biochemical function:
Biological process:
Cellular component:
Sequence domains:

Structure analysis Details

Assembly composition:
homo dodecamer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-162016 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
3-dehydroquinate dehydratase Chains: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X
Molecule details ›
Chains: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X
Length: 172 amino acids
Theoretical weight: 18.65 KDa
Source organism: Mycobacterium tuberculosis
Expression system: Escherichia coli
UniProt:
  • Canonical: P9WPX7 (Residues: 1-147; Coverage: 100%)
Gene names: MTCY159.19, Rv2537c, aroD, aroQ
Sequence domains: Dehydroquinase class II
Structure domains: Dehydroquinase, class II

Ligands and Environments

2 bound ligands:
Ligand D1X 22 x D1X
Ligand CL 26 x CL
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 23-ID-B
Spacegroup: P21
Unit cell:
a: 96.316Å b: 137.208Å c: 146.713Å
α: 90° β: 96.59° γ: 90°
R-values:
R R work R free
0.206 0.205 0.236
Expression system: Escherichia coli

Quick links

Citations

3 review citations

Structural biology and drug discovery of difficult targets: the limits of ligandability.
Surade et al. (2012)
2 more