› 1fbt

X-ray diffraction
2Å resolution

THE BISPHOSPHATASE DOMAIN OF THE BIFUNCTIONAL RAT LIVER 6-PHOSPHOFRUCTO-2-KINASE/FRUCTOSE-2,6-BISPHOSPHATASE

Released:
DOI: 10.2210/pdb1fbt/pdb
PDB entry 1fbt coloured by chain, front view.
PDB entry 1fbt coloured by chain, side view.
PDB entry 1fbt coloured by chain, top view.
Source organism: Rattus norvegicus
Primary publication:
Crystal structure of the rat liver fructose-2,6-bisphosphatase based on selenomethionine multiwavelength anomalous dispersion phases.
Lee YH, Ogata C, Pflugrath JW, Levitt DG, Sarma R, Banaszak LJ, Pilkis SJ
Biochemistry 35 6010-9 (1996)
PMID: 8634242

Function and Biology Details

Reactions catalysed: 
ATP + D-fructose 6-phosphate = ADP + beta-D-fructose 2,6-bisphosphate
Beta-D-fructose 2,6-bisphosphate + H(2)O = D-fructose 6-phosphate + phosphate
Biochemical function:
Biological process:
Cellular component:
  • not assigned
Sequence domains:
Structure domain:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-139858 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
6-phosphofructo-2-kinase/fructose-2,6-bisphosphatase 1 Chains: A, B
Molecule details ›
Chains: A, B
Length: 190 amino acids
Theoretical weight: 22.24 KDa
Source organism: Rattus norvegicus
Expression system: Escherichia coli
UniProt:
  • Canonical: P07953 (Residues: 252-441; Coverage: 40%)
Gene name: Pfkfb1
Sequence domains: Histidine phosphatase superfamily (branch 1)
Structure domains: Phosphoglycerate mutase-like

Ligands and Environments

1 bound ligand:
Ligand PO4 2 x PO4
1 modified residue:
Ligand MSE 8 x MSE

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X12C
Spacegroup: P21
Unit cell:
a: 48.4Å b: 56.6Å c: 93.7Å
α: 90° β: 94.4° γ: 90°
R-values:
R R work R free
0.218 0.218 0.278
Expression system: Escherichia coli

Quick links

Citations

5 review citations

Structure, function, and evolution of phosphoglycerate mutases: comparison with fructose-2,6-bisphosphatase, acid phosphatase, and alkaline phosphatase.
Jedrzejas MJ. (2000)
4 more

3 mentions without citation

The Sts Proteins: Modulators of Host Immunity.
Zaman et al. (2023)
2 more