X-ray diffraction
1.99Å resolution

Heat-Labile Enterotoxin B-Pentamer Complexed With Nitrophenyl Galactoside 2a


Function and Biology Details

Biochemical function:
Cellular component:

Structure analysis Details

Assembly composition:
homo pentamer (preferred)
Entry contents:
1 distinct polypeptide molecule
Heat-labile enterotoxin B chain Chains: D, E, F, G, H
Molecule details ›
Chains: D, E, F, G, H
Length: 103 amino acids
Theoretical weight: 11.81 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
  • Canonical: P32890 (Residues: 22-124; Coverage: 100%)
Gene names: eltB, ltpB
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: APS BEAMLINE 19-ID
Spacegroup: P21
Unit cell:
a: 60.817Å b: 78.683Å c: 62.3Å
α: 90° β: 116.2° γ: 90°
R R work R free
0.158 0.154 0.221
Expression system: Escherichia coli