› 2q8n

X-ray diffraction
1.82Å resolution

Crystal structure of Glucose-6-phosphate isomerase (EC 5.3.1.9) (TM1385) from Thermotoga maritima at 1.82 A resolution

Released:
DOI: 10.2210/pdb2q8n/pdb
PDB entry 2q8n coloured by chain, front view.
PDB entry 2q8n coloured by chain, side view.
PDB entry 2q8n coloured by chain, top view.
Source organism: Thermotoga maritima MSB8
Entry author: Joint Center for Structural Genomics (JCSG)

Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo hexamer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-194777 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Glucose-6-phosphate isomerase Chains: A, B, C
Molecule details ›
Chains: A, B, C
Length: 460 amino acids
Theoretical weight: 52.01 KDa
Source organism: Thermotoga maritima MSB8
Expression system: Escherichia coli
UniProt:
  • Canonical: Q9X1A5 (Residues: 1-448; Coverage: 100%)
Gene names: TM_1385, pgi
Sequence domains: Phosphoglucose isomerase
Structure domains: Glucose-6-phosphate isomerase like protein; domain 1

Ligands and Environments

3 bound ligands:
Ligand SO4 6 x SO4
Ligand CL 4 x CL
Ligand 2PE 3 x 2PE
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL9-2
Spacegroup: I212121
Unit cell:
a: 117.506Å b: 125.867Å c: 245.476Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.199 0.197 0.237
Expression system: Escherichia coli

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