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Structural biology

Dangerous liaisons on neurons

Crystal structures show that botulinum toxins bind simultaneously to two sites on neurons. This dual interaction allows them to use a Trojan-horse strategy to enter nerve terminals, with deadly effect.

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Figure 1: Possible binding sites of botulinum neurotoxin B (BoNT/B) on neurons.


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Schiavo, G. Dangerous liaisons on neurons. Nature 444, 1019–1020 (2006).

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