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- Title
Structural analysis of the catalytic and binding sites of Clostridium botulinum neurotoxin B.
- Authors
Swaminathan, S; Eswaramoorthy, S
- Abstract
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.
- Publication
Nature structural biology, 2000, Vol 7, Issue 8, p693
- ISSN
1072-8368
- Publication type
Journal Article
- DOI
10.1038/78005