› 1qu7

X-ray diffraction
2.6Å resolution

FOUR HELICAL-BUNDLE STRUCTURE OF THE CYTOPLASMIC DOMAIN OF A SERINE CHEMOTAXIS RECEPTOR

Released:
DOI: 10.2210/pdb1qu7/pdb
PDB entry 1qu7 coloured by chain, front view.
PDB entry 1qu7 coloured by chain, side view.
PDB entry 1qu7 coloured by chain, top view.
Source organism: Escherichia coli
Primary publication:
Four-helical-bundle structure of the cytoplasmic domain of a serine chemotaxis receptor.
Kim KK, Yokota H, Kim SH
Nature 400 787-92 (1999)
PMID: 10466731

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:
Sequence domains:
Structure domain:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-136409 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Methyl-accepting chemotaxis protein I Chains: A, B
Molecule details ›
Chains: A, B
Length: 227 amino acids
Theoretical weight: 23.74 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
  • Canonical: P02942 (Residues: 294-520; Coverage: 41%)
Gene names: JW4318, b4355, cheD, tsr
Sequence domains: Methyl-accepting chemotaxis protein (MCP) signalling domain
Structure domains: Methyl-accepting chemotaxis protein

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL7-1
Spacegroup: P321
Unit cell:
a: 132.44Å b: 132.44Å c: 134.59Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.243 0.243 0.276
Expression system: Escherichia coli

Quick links

Citations

51 review citations

Making sense of it all: bacterial chemotaxis.
Wadhams et al. (2004)
50 more

47 mentions without citation

Bacterial signal transduction network in a genomic perspective.
Galperin MY. (2004)
46 more