6ft2

X-ray diffraction
1.25Å resolution

Structure of the periplasmic binding protein LAO-Q122A in complex with arginine.

Released:
Entry authors: Vigouroux A, Morera S

Function and Biology Details

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-136371 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Lysine/arginine/ornithine-binding periplasmic protein Chain: A
Molecule details ›
Chain: A
Length: 246 amino acids
Theoretical weight: 27.09 KDa
Source organism: Salmonella enterica subsp. enterica serovar Typhimurium
Expression system: Escherichia coli
UniProt:
  • Canonical: P02911 (Residues: 23-260; Coverage: 100%)
Gene names: STM2355, argT
Sequence domains: Bacterial extracellular solute-binding proteins, family 3
Structure domains: Periplasmic binding protein-like II

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SOLEIL BEAMLINE PROXIMA 2
Spacegroup: P212121
Unit cell:
a: 37.41Å b: 58.44Å c: 101.24Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.181 0.179 0.202
Expression system: Escherichia coli