1rcv

X-ray diffraction
1.6Å resolution

Cholera Toxin B-Pentamer Complexed With Bivalent Nitrophenol-Galactoside Ligand BV1

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
homo pentamer (preferred)
PDBe Complex ID:
PDB-CPX-134384 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Cholera enterotoxin subunit B 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: P01556 (Residues: 22-124; Coverage: 100%)
Gene names: VC_1456, ctxB, toxB
Sequence domains: Heat-labile enterotoxin beta chain
Structure domains: OB fold (Dihydrolipoamide Acetyltransferase, E2P)

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ALS BEAMLINE 8.2.2
Spacegroup: C2
Unit cell:
a: 101.829Å b: 66.133Å c: 77.771Å
α: 90° β: 105.62° γ: 90°
R-values:
R R work R free
0.166 0.164 0.193
Expression system: Escherichia coli