X-ray diffraction
2.65Å resolution

Crystal structure of PPK2 class III in complex with Guanosine 5-tetraphosphate


Function and Biology Details

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Polyphosphate:AMP phosphotransferase Chain: A
Molecule details ›
Chain: A
Length: 305 amino acids
Theoretical weight: 35.54 KDa
Source organism: Cytophaga hutchinsonii ATCC 33406
Expression system: Escherichia coli
Structure domains: P-loop containing nucleotide triphosphate hydrolases

Ligands and Environments

1 bound ligand:
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-ID
Spacegroup: I4122
Unit cell:
a: 110.812Å b: 110.812Å c: 178.807Å
α: 90° β: 90° γ: 90°
R R work R free
0.196 0.194 0.238
Expression system: Escherichia coli