X-ray diffraction
2.75Å resolution

Structure of Helicobacter pylori type II dehydroquinase in complex with inhibitor compound (2R)-2-(4-methoxybenzyl)-3-dehydroquinic acid


Function and Biology Details

Reaction catalysed:
3-dehydroquinate = 3-dehydroshikimate + H(2)O
Biochemical function:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo dodecamer (preferred)
Entry contents:
1 distinct polypeptide molecule
3-dehydroquinate dehydratase Chains: A, B, C
Molecule details ›
Chains: A, B, C
Length: 167 amino acids
Theoretical weight: 18.5 KDa
Source organism: Helicobacter pylori
Expression system: Escherichia coli BL21(DE3)
  • Canonical: Q48255 (Residues: 1-167; Coverage: 100%)
Gene names: HP_1038, aroQ
Sequence domains: Dehydroquinase class II
Structure domains: Dehydroquinase, class II

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ENRAF-NONIUS FR591
Spacegroup: P4222
Unit cell:
a: 100.56Å b: 100.56Å c: 105.449Å
α: 90° β: 90° γ: 90°
R R work R free
0.189 0.185 0.25
Expression system: Escherichia coli BL21(DE3)