X-ray diffraction
1.95Å resolution

The crystal structure of phosphoglucose isomerase from Pyrococcus furiosus in complex with sorbitol 6-phosphate and zinc


Function and Biology Details

Reaction catalysed:
Alpha-D-glucose 6-phosphate = beta-D-fructofuranose 6-phosphate
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Glucose-6-phosphate isomerase Chains: A, B
Molecule details ›
Chains: A, B
Length: 188 amino acids
Theoretical weight: 21.38 KDa
Source organism: Pyrococcus furiosus
Expression system: Escherichia coli BL21
  • Canonical: P83194 (Residues: 1-187; Coverage: 99%)
Gene names: PF0196, pgiA
Sequence domains: Glucose-6-phosphate isomerase (GPI)
Structure domains: Jelly Rolls

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU MICROMAX-007
Spacegroup: P21
Unit cell:
a: 42.311Å b: 72.857Å c: 71.64Å
α: 90° β: 103.57° γ: 90°
R R work R free
0.201 0.198 0.255
Expression system: Escherichia coli BL21