2lig

X-ray diffraction
2Å resolution

THREE-DIMENSIONAL STRUCTURES OF THE LIGAND-BINDING DOMAIN OF THE BACTERIAL ASPARTATE RECEPTOR WITH AND WITHOUT A LIGAND

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
homo dimer (preferred)
PDBe Complex ID:
PDB-CPX-136407 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Methyl-accepting chemotaxis protein II Chains: A, B
Molecule details ›
Chains: A, B
Length: 164 amino acids
Theoretical weight: 18.37 KDa
Source organism: Salmonella enterica subsp. enterica serovar Typhimurium
Expression system: Escherichia coli
UniProt:
  • Canonical: P02941 (Residues: 26-188; Coverage: 30%)
Gene names: STM1919, cheM, tar
Sequence domains: Tar ligand binding domain homologue
Structure domains: Aspartate receptor, ligand-binding domain

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
Spacegroup: P3221
Unit cell:
a: 80.38Å b: 80.38Å c: 91.35Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.176 0.176 not available
Expression system: Escherichia coli