1r4q

X-ray diffraction
2.5Å resolution

Shiga toxin

Released:
Model geometry
Fit model/data

Function and Biology Details

Structure analysis Details

Assemblies composition:
hetero hexamer (preferred)
hetero dodecamer
Assembly name:
PDBe Complex ID:
PDB-CPX-181371 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Shiga toxin subunit A Chains: A, L
Molecule details ›
Chains: A, L
Length: 293 amino acids
Theoretical weight: 32.26 KDa
Source organism: Shigella dysenteriae
Expression system: Escherichia coli
UniProt:
  • Canonical: Q9FBI2 (Residues: 23-315; Coverage: 100%)
Gene name: stxA
Sequence domains: Ribosome inactivating protein
Structure domains:
Shiga toxin subunit B Chains: B, C, D, E, F, G, H, I, J, K
Molecule details ›
Chains: B, C, D, E, F, G, H, I, J, K
Length: 69 amino acids
Theoretical weight: 7.7 KDa
Source organism: Shigella dysenteriae
Expression system: Escherichia coli
UniProt:
  • Canonical: Q7BQ98 (Residues: 21-89; Coverage: 100%)
Gene name: stxB
Sequence domains: Shiga-like toxin beta subunit
Structure domains: OB fold (Dihydrolipoamide Acetyltransferase, E2P)

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

wwPDB Validation report is not available for this entry.
X-ray source: PHOTON FACTORY BEAMLINE BL-6A
Spacegroup: P212121
Unit cell:
a: 133Å b: 147.18Å c: 82.85Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.202 0.199 0.257
Expression system: Escherichia coli