› 4rpa

X-ray diffraction
2.1Å resolution

Crystal structure of inorganic pyrophosphatase from Staphylococcus aureus in complex with Mn2+

Released:
DOI: 10.2210/pdb4rpa/pdb
PDB entry 4rpa coloured by chain, front view.
PDB entry 4rpa coloured by chain, side view.
PDB entry 4rpa coloured by chain, top view.
Source organism: Staphylococcus aureus
Primary publication:
Structure of inorganic pyrophosphatase from Staphylococcus aureus reveals conformational flexibility of the active site.
Gajadeera CS, Zhang X, Wei Y, Tsodikov OV
J Struct Biol 189 81-6 (2015)
PMID: 25576794

Function and Biology Details

Reaction catalysed: 
Diphosphate + H(2)O = 2 phosphate
Biochemical function:
Biological process:
  • not assigned
Cellular component:
Sequence domains:

Structure analysis Details

Assemblies composition:
homo dimer (preferred)
homo tetramer
Assembly name:
PDBe Complex ID:
PDB-CPX-159170 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Probable manganese-dependent inorganic pyrophosphatase Chains: A, B
Molecule details ›
Chains: A, B
Length: 317 amino acids
Theoretical weight: 35.24 KDa
Source organism: Staphylococcus aureus
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P65752 (Residues: 1-309; Coverage: 100%)
Gene names: SAV1919, ppaC
Sequence domains:
Structure domains:

Ligands and Environments

1 bound ligand:
Ligand MN 4 x MN
2 modified residues:
Ligand OCS 2 x OCS
Ligand CSO 2 x CSO

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 21-ID-G
Spacegroup: P6122
Unit cell:
a: 99.406Å b: 99.406Å c: 425.285Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.222 0.22 0.249
Expression system: Escherichia coli BL21(DE3)

Quick links

Citations

1 review citation

Inorganic pyrophosphatases of Family II-two decades after their discovery.
Baykov et al. (2017)
5 other articles

2 mentions without citation

Redox regulation by reversible protein S-thiolation in Gram-positive bacteria.
Imber et al. (2019)
1 more