2fiq

X-ray diffraction
2.25Å resolution

Crystal structure of putative tagatose 6-phosphate kinase

Released:
Source organism: Escherichia coli O157:H7
Entry authors: Ramagopal UA, Fedorov E, Almo SC, Burley SK, New York SGX Research Center for Structural Genomics (NYSGXRC)

Function and Biology Details

Reaction catalysed:
ATP + D-tagatose = ADP + D-tagatose 6-phosphate
Biochemical function:
Cellular component:
  • not assigned

Structure analysis Details

Assemblies composition:
homo dimer (preferred)
homo tetramer
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
D-tagatose-1,6-bisphosphate aldolase subunit GatZ Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 420 amino acids
Theoretical weight: 47.54 KDa
Source organism: Escherichia coli O157:H7
Expression system: Escherichia coli
UniProt:
  • Canonical: Q8X7H4 (Residues: 1-420; Coverage: 100%)
Gene names: ECs2898, Z3258, gatZ
Sequence domains: D-tagatose-1,6-bisphosphate aldolase subunit GatZ/KbaZ-like
Structure domains:

Ligands and Environments

No bound ligands
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X29A, NSLS BEAMLINE X9A
Spacegroup: P212121
Unit cell:
a: 92.352Å b: 100.001Å c: 206.549Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.189 0.187 0.233
Expression system: Escherichia coli