Table 1. Dipeptide Amino Acid Sequence Study.
compd. | AA1 | AA2 | % inhibitiona |
---|---|---|---|
1 | Ile | Leu | 100 |
2 | Ile | Phe | 100 |
3 | Ile | Ile | 85 |
4 | Ile | Aib | 84 |
5 | Ala | Ile | 55 |
6 | Phe | Ile | 44 |
7 | Ile | Ala | 31 |
8 | Aib | Ile | 11 |
9 | Ile* | Ile* | 48 |
10 | Ile* | Ile | 57 |
11 | Ile | Ile* | 69 |
12 | Ile* | Phe* | 63 |
13 | Phe | Ile* | 62 |
14 | Ile | Phe* | 41 |
15 | β-Ala | Ile | 62 |
16 | Gly | Ile | 18 |
Dipeptides were evaluated at 15 μM with 20 nM BoNT/A LC and 8 μM SNAPtide substrate. Enzyme reactions were performed in triplicate, and the percent inhibition reported is the average. *d-amino acid.