2ch4

X-ray diffraction
3.5Å resolution

Complex between Bacterial Chemotaxis histidine kinase CheA domains P4 and P5 and receptor-adaptor protein CheW

Released:
Source organism: Thermotoga maritima

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-176349 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Chemotaxis protein CheA Chains: A, B
Molecule details ›
Chains: A, B
Length: 320 amino acids
Theoretical weight: 35.55 KDa
Source organism: Thermotoga maritima
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q56310 (Residues: 354-671; Coverage: 47%)
Gene names: TM_0702, cheA
Sequence domains:
Structure domains:
Chemotaxis protein CheW Chains: W, Y
Molecule details ›
Chains: W, Y
Length: 151 amino acids
Theoretical weight: 16.98 KDa
Source organism: Thermotoga maritima
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q56311 (Residues: 1-151; Coverage: 100%)
Gene names: TM_0701, cheW
Sequence domains: CheW-like domain
Structure domains:

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X25
Spacegroup: P41212
Unit cell:
a: 136.6Å b: 136.6Å c: 231.3Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.255 0.255 0.295
Expression system: Escherichia coli BL21(DE3)