› 3by8

X-ray diffraction
1.45Å resolution

Crystal Structure of the E.coli DcuS Sensor Domain

Released:
DOI: 10.2210/pdb3by8/pdb
PDB entry 3by8 coloured by chain, front view.
PDB entry 3by8 coloured by chain, side view.
PDB entry 3by8 coloured by chain, top view.
Source organism: Escherichia coli
Primary publication:
Crystal structures of C4-dicarboxylate ligand complexes with sensor domains of histidine kinases DcuS and DctB.
Cheung J, Hendrickson WA
J Biol Chem 283 30256-65 (2008)
PMID: 18701447

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 domain:

Structure analysis Details

Assemblies composition:
monomeric (preferred)
homo dimer
Assembly name:
PDBe Complex ID:
PDB-CPX-142433 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Sensor histidine kinase DcuS Chain: A
Molecule details ›
Chain: A
Length: 142 amino acids
Theoretical weight: 15.76 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P0AEC8 (Residues: 42-181; Coverage: 26%)
Gene names: JW4086, b4125, dcuS, yjdH
Sequence domains: Single cache domain 3
Structure domains: PAS domain

Ligands and Environments

1 bound ligand:
Ligand LMR 1 x LMR
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X4A
Spacegroup: P3121
Unit cell:
a: 86.111Å b: 86.111Å c: 35.207Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.219 0.219 0.232
Expression system: Escherichia coli BL21(DE3)

Quick links

Citations

8 review citations

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

16 mentions without citation

Structure and signaling mechanism of Per-ARNT-Sim domains.
Möglich et al. (2009)
15 more