› 3i9w

X-ray diffraction
2.7Å resolution

Crystal structure of the E. coli histidine kinase sensor TorS sensor domain

Released:
DOI: 10.2210/pdb3i9w/pdb
PDB entry 3i9w coloured by chain, front view.
PDB entry 3i9w coloured by chain, side view.
PDB entry 3i9w coloured by chain, top view.
Source organism: Escherichia coli K-12
Primary publication:
Structural analysis of sensor domains from the TMAO-responsive histidine kinase receptor TorS.
Moore JO, Hendrickson WA
Structure 17 1195-204 (2009)
PMID: 19748340

Function and Biology Details

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

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-153885 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Sensor protein TorS Chain: A
Molecule details ›
Chain: A
Length: 290 amino acids
Theoretical weight: 32.45 KDa
Source organism: Escherichia coli K-12
Expression system: Escherichia coli
UniProt:
  • Canonical: P39453 (Residues: 35-320; Coverage: 31%)
Gene names: JW5135, b0993, torS, yccI
Sequence domains: Sensor protein TorS, sensor domain
Structure domains: Methane Monooxygenase Hydroxylase; Chain G, domain 1

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X4A
Spacegroup: C2221
Unit cell:
a: 61.528Å b: 137.112Å c: 123.239Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.247 0.247 0.302
Expression system: Escherichia coli

Quick links

Citations

7 review citations

Sensor domains of two-component regulatory systems.
Cheung et al. (2010)
6 more

2 mentions without citation

Diversity in Sensing and Signaling of Bacterial Sensor Histidine Kinases.
Ishii et al. (2021)
1 more