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The target substrate and cleavage site of each serotype of the toxin.
| Serotype | SNARE Protein | Cleavage Site |
|---|---|---|
| A | SNAP-25 | 197–198 |
| B | Synaptobrevin (VAMP) | 76–77 |
| C | SNAP-25 Syntaxin |
198–199 253–254 |
| D | Synaptobrevin (VAMP) | 59–60 |
| E | SNAP-25 | 180–181 |
| F | Synaptobrevin (VAMP) | 58–59 |
| G | Synaptobrevin (VAMP) | 81–82 |
| FA | Synaptobrevin (VAMP) | 54–55 |
