3cgz

X-ray diffraction
1.9Å resolution

Crystal Structure of Salmonella Sensor Kinase PhoQ catalytic domain

Released:

Function and Biology Details

Reaction catalysed:
ATP + protein L-histidine = ADP + protein N-phospho-L-histidine
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-143635 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Virulence sensor histidine kinase PhoQ Chains: A, B, C
Molecule details ›
Chains: A, B, C
Length: 157 amino acids
Theoretical weight: 17.36 KDa
Source organism: Salmonella enterica subsp. enterica serovar Typhimurium
Expression system: Escherichia coli
UniProt:
  • Canonical: P0DM80 (Residues: 332-487; Coverage: 32%)
Gene names: STM1230, phoQ, phoZ
Sequence domains: Histidine kinase-, DNA gyrase B-, and HSP90-like ATPase
Structure domains: Histidine kinase-like ATPase, C-terminal domain

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ALS BEAMLINE 4.2.2
Spacegroup: C2
Unit cell:
a: 88.121Å b: 64.287Å c: 85.945Å
α: 90° β: 119.58° γ: 90°
R-values:
R R work R free
0.234 0.234 0.257
Expression system: Escherichia coli