› 1gvf

X-ray diffraction
1.45Å resolution

Structure of tagatose-1,6-bisphosphate aldolase

Released:
DOI: 10.2210/pdb1gvf/pdb
PDB entry 1gvf coloured by chain, front view.
PDB entry 1gvf coloured by chain, side view.
PDB entry 1gvf coloured by chain, top view.
Source organism: Escherichia coli
Primary publication:
Structure of tagatose-1,6-bisphosphate aldolase. Insight into chiral discrimination, mechanism, and specificity of class II aldolases.
Hall DR, Bond CS, Leonard GA, Watt CI, Berry A, Hunter WN
J Biol Chem 277 22018-24 (2002)
PMID: 11940603

Function and Biology Details

Reaction catalysed: 
D-tagatose 1,6-bisphosphate = glycerone phosphate + D-glyceraldehyde 3-phosphate
Biochemical function:
Biological process:
Cellular component:
Sequence domains:
Structure domain:

Structure analysis Details

Assembly composition:
homo tetramer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-142019 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
D-tagatose-1,6-bisphosphate aldolase subunit KbaY Chains: A, B
Molecule details ›
Chains: A, B
Length: 286 amino acids
Theoretical weight: 31.33 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
  • Canonical: P0AB74 (Residues: 1-286; Coverage: 100%)
Gene names: JW3106, agaY, b3137, kba, kbaY, yraC
Sequence domains: Fructose-bisphosphate aldolase class-II
Structure domains: Aldolase class I

Ligands and Environments

4 bound ligands:
Ligand PGH 2 x PGH
Ligand ZN 2 x ZN
Ligand NA 2 x NA
Ligand EDO 14 x EDO
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE BM14
Spacegroup: I222
Unit cell:
a: 72.65Å b: 100.46Å c: 206.66Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.127 not available 0.173
Expression system: Escherichia coli

Quick links

Citations

6 review citations

Role of Na+ and K+ in enzyme function.
Page et al. (2006)
5 more

5 mentions without citation

Modifying the stereochemistry of an enzyme-catalyzed reaction by directed evolution.
Williams et al. (2003)
4 more