2qb7

X-ray diffraction
1.6Å resolution

Saccharomyces cerevisiae cytosolic exopolyphosphatase, phosphate complex

Released:

Function and Biology Details

Reaction catalysed:
(Polyphosphate)(n) + H(2)O = (polyphosphate)(n-1) + phosphate
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Exopolyphosphatase Chains: A, B
Molecule details ›
Chains: A, B
Length: 397 amino acids
Theoretical weight: 45.11 KDa
Source organism: Saccharomyces cerevisiae
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P38698 (Residues: 1-397; Coverage: 100%)
Gene names: PPX1, YHR201C
Sequence domains:
Structure domains:

Ligands and Environments

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID14-1
Spacegroup: P212121
Unit cell:
a: 79.992Å b: 83.039Å c: 118.9Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.172 0.171 0.201
Expression system: Escherichia coli BL21(DE3)