1j2y

X-ray diffraction
2.6Å resolution

Crystal structure of the type II 3-dehydroquinase

Released:
Source organism: Helicobacter pylori
Primary publication:
Crystal structure of the type II 3-dehydroquinase from Helicobacter pylori.
Proteins 51 616-7 (2003)
PMID: 12784220

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
Macromolecule:
3-dehydroquinate dehydratase Chain: A
Molecule details ›
Chain: A
Length: 167 amino acids
Theoretical weight: 18.5 KDa
Source organism: Helicobacter pylori
Expression system: Escherichia coli
UniProt:
  • 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

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: PHOTON FACTORY BEAMLINE BL-6A
Spacegroup: P4232
Unit cell:
a: 98.91Å b: 98.91Å c: 98.91Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.218 0.218 0.272
Expression system: Escherichia coli