X-ray diffraction
1.5Å resolution

Yeast inorganic pyrophosphatase with magnesium and phosphate


Function and Biology Details

Reaction catalysed:
Diphosphate + H(2)O = 2 phosphate
Biochemical function:
Cellular component:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Inorganic pyrophosphatase Chains: A, B
Molecule details ›
Chains: A, B
Length: 286 amino acids
Theoretical weight: 32.23 KDa
Source organism: Saccharomyces cerevisiae
Expression system: Escherichia coli
  • Canonical: P00817 (Residues: 2-287; Coverage: 100%)
Gene names: IPP1, PPA, PPA1, YBR011C, YBR0202
Sequence domains: Inorganic pyrophosphatase
Structure domains: Inorganic pyrophosphatase

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE BM1A
Spacegroup: P21
Unit cell:
a: 51.915Å b: 93.549Å c: 69.168Å
α: 90° β: 99.66° γ: 90°
R R work R free
0.163 0.162 0.18
Expression system: Escherichia coli