› 2o8r

X-ray diffraction
2.7Å resolution

Crystal Structure of Polyphosphate Kinase from Porphyromonas Gingivalis

Released:
DOI: 10.2210/pdb2o8r/pdb
PDB entry 2o8r coloured by chain, front view.
PDB entry 2o8r coloured by chain, side view.
PDB entry 2o8r coloured by chain, top view.
Source organism: Porphyromonas gingivalis
Entry authors: Patskovsky Y, Toro R, Sauder JM, Dickey M, Adams JM, Ozyurt S, Wasserman SR, Burley SK, Almo SC, New York SGX Research Center for Structural Genomics (NYSGXRC)

Function and Biology Details

Reaction catalysed: 
ATP + (phosphate)(n) = ADP + (phosphate)(n+1)
Biochemical function:
Biological process:
Cellular component:
Sequence domains:
Structure domains:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-181745 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Polyphosphate kinase Chains: A, B
Molecule details ›
Chains: A, B
Length: 705 amino acids
Theoretical weight: 82.97 KDa
Source organism: Porphyromonas gingivalis
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q7MTR1 (Residues: 1-695; Coverage: 100%)
Gene names: PG_1885, ppk
Sequence domains:
Structure domains:

Ligands and Environments

1 bound ligand:
Ligand SO4 13 x SO4
1 modified residue:
Ligand MSE 38 x MSE

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 31-ID
Spacegroup: P65
Unit cell:
a: 99.33Å b: 99.33Å c: 335.061Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.19 0.188 0.255
Expression system: Escherichia coli BL21(DE3)

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