3czq

X-ray diffraction
2.23Å resolution

Crystal structure of putative polyphosphate kinase 2 from Sinorhizobium meliloti

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
homo tetramer (preferred)
PDBe Complex ID:
PDB-CPX-187921 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
ADP-polyphosphate phosphotransferase 1 Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 304 amino acids
Theoretical weight: 35.66 KDa
Source organism: Sinorhizobium meliloti 1021
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q92SA6 (Residues: 1-300; Coverage: 100%)
Gene name: SMc02148
Sequence domains: Polyphosphate kinase 2 (PPK2)
Structure domains: P-loop containing nucleotide triphosphate hydrolases

Ligands and Environments

2 bound ligands:
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-ID
Spacegroup: P1
Unit cell:
a: 59.609Å b: 71.672Å c: 89.471Å
α: 75.86° β: 85.97° γ: 65.39°
R-values:
R R work R free
0.19 0.187 0.24
Expression system: Escherichia coli BL21(DE3)