3upt

X-ray diffraction
2.4Å resolution

Crystal structure of a transketolase from Burkholderia pseudomallei bound to TPP, calcium and ribose-5-phosphate

Released:

Function and Biology Details

Reaction catalysed:
Sedoheptulose 7-phosphate + D-glyceraldehyde 3-phosphate = D-ribose 5-phosphate + D-xylulose 5-phosphate
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-173979 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Transketolase Chains: A, B
Molecule details ›
Chains: A, B
Length: 711 amino acids
Theoretical weight: 76.73 KDa
Source organism: Burkholderia thailandensis E264
Expression system: Escherichia coli
UniProt:
  • Canonical: Q2SZA7 (Residues: 1-690; Coverage: 100%)
Gene names: BTH_I1195, tkt
Sequence domains:
Structure domains:

Ligands and Environments


Cofactor: Ligand TPP 2 x TPP
3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ALS BEAMLINE 5.0.1
Spacegroup: P41212
Unit cell:
a: 146.98Å b: 146.98Å c: 142.87Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.153 0.151 0.2
Expression system: Escherichia coli