1llr

X-ray diffraction
1.46Å resolution

CHOLERA TOXIN B-PENTAMER WITH LIGAND BMSC-0012

Released:

Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo pentamer (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
CtxB Chains: D, E, F, G, H
Molecule details ›
Chains: D, E, F, G, H
Length: 103 amino acids
Theoretical weight: 11.62 KDa
Source organism: Vibrio cholerae
Expression system: Escherichia coli
UniProt:
  • Canonical: Q57193 (Residues: 22-124; Coverage: 100%)
Gene names: ERS013165_03981, ERS013202_03762, ERS013206_03003, ERS013207_03244, ctxB
Sequence domains: Heat-labile enterotoxin beta chain
Structure domains: OB fold (Dihydrolipoamide Acetyltransferase, E2P)

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-ID
Spacegroup: C2
Unit cell:
a: 102.391Å b: 65.964Å c: 78.146Å
α: 90° β: 105.97° γ: 90°
R-values:
R R work R free
0.149 0.149 0.191
Expression system: Escherichia coli