1f31 image
Deposition Date 2000-05-31
Release Date 2000-11-01
Last Version Date 2024-11-06
Entry Detail
PDB ID:
1F31
Keywords:
Title:
CRYSTAL STRUCTURE OF CLOSTRIDIUM BOTULINUM NEUROTOXIN B COMPLEXED WITH A TRISACCHARIDE
Biological Source:
Source Organism:
Method Details:
Experimental Method:
Resolution:
2.60 Å
R-Value Free:
0.27
R-Value Work:
0.21
R-Value Observed:
0.21
Space Group:
P 1 21 1
Macromolecular Entities
Polymer Type:polypeptide(L)
Molecule:BOTULINUM NEUROTOXIN TYPE B
Gene (Uniprot):botB
Chain IDs:A
Chain Length:1290
Number of Molecules:1
Biological Source:Clostridium botulinum
Primary Citation
Structural analysis of the catalytic and binding sites of Clostridium botulinum neurotoxin B.
Nat.Struct.Biol. 7 693 699 (2000)
PMID: 10932256 DOI: 10.1038/78005

Abstact

Clostridium botulinum neurotoxins are among the most potent toxins to humans. The crystal structures of intact C. botulinum neurotoxin type B (BoNT/B) and its complex with sialyllactose, determined at 1. 8 and 2.6 A resolution, respectively, provide insight into its catalytic and binding sites. The position of the belt region in BoNT/B is different from that in BoNT/A; this observation presents interesting possibilities for designing specific inhibitors that could be used to block the activity of this neurotoxin. The structures of BoNT/B and its complex with sialyllactose provide a detailed description of the active site and a model for interactions between the toxin and its cell surface receptor. The latter may provide valuable information for recombinant vaccine development.

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Primary Citation of related structures