X-ray diffraction
1.9Å resolution

Crystal Structure of the apo form of the Salmonella typhimurium AI-2 receptor LsrB


Function and Biology Details

Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Autoinducer 2-binding protein LsrB Chain: A
Molecule details ›
Chain: A
Length: 316 amino acids
Theoretical weight: 34.25 KDa
Source organism: Salmonella enterica subsp. enterica serovar Typhimurium str. LT2
Expression system: Escherichia coli BL21
  • Canonical: Q8ZKQ1 (Residues: 27-340; Coverage: 100%)
Gene names: STM4077, lsrB
Sequence domains: Periplasmic binding protein domain
Structure domains: Rossmann fold

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU RU200H, NSLS BEAMLINE X25
Spacegroup: P212121
Unit cell:
a: 37.984Å b: 73.979Å c: 116.244Å
α: 90° β: 90° γ: 90°
R R work R free
0.193 0.191 0.227
Expression system: Escherichia coli BL21