4uey

X-ray diffraction
1.9Å resolution

Structure of the periplasmic domain PhoQ double mutant (W104C-A128C)

Released:

Function and Biology Details

Reaction catalysed:
ATP + protein L-histidine = ADP + protein N-phospho-L-histidine
Biochemical function:
Cellular component:

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: 153 amino acids
Theoretical weight: 17.84 KDa
Source organism: Salmonella enterica
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: P0DM80 (Residues: 45-190; Coverage: 30%)
Gene names: STM1230, phoQ, phoZ
Sequence domains: PhoQ Sensor
Structure domains: Beta-Lactamase

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ALBA BEAMLINE XALOC
Spacegroup: C2
Unit cell:
a: 128.035Å b: 45.371Å c: 81.374Å
α: 90° β: 102.53° γ: 90°
R-values:
R R work R free
0.232 0.231 0.266
Expression system: Escherichia coli BL21