PDBe 1jb1

X-ray diffraction
2.8Å resolution

Lactobacillus casei HprK/P Bound to Phosphate


Function and Biology Details

Structure analysis Details

Assembly composition:
homo hexamer (preferred)
Entry contents:
1 distinct polypeptide molecule
HPr kinase/phosphorylase Chain: A
Molecule details ›
Chain: A
Length: 205 amino acids
Theoretical weight: 22.96 KDa
Source organism: Lactobacillus casei
Expression system: Escherichia coli
  • Canonical: Q9RE09 (Residues: 128-319; Coverage: 60%)
Gene name: hprK
Sequence domains: HPr Serine kinase C-terminal domain
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: ESRF BEAMLINE ID14-4
Spacegroup: P6322
Unit cell:
a: 107.738Å b: 107.738Å c: 66.498Å
α: 90° β: 90° γ: 120°
R R work R free
0.235 0.235 0.288
Expression system: Escherichia coli