Table 2. Cytotoxicity of mETX.
Protein preparation | CT50(ng/mL)±SEM | P* |
---|---|---|
Wild type rETX | 37.73±12.55 | - |
mETXH106P | NT | 0.0023 |
mETXS111Y | 69.06±22.60 | 0.0094 |
mETXS111H | 95.54±1.67 | 0.2435 |
mETXF199E | 97060±5790 | 0.0002 |
mETXF199H | 1280±220 | 0.1707 |
mETXS111YF199E | 37090±1440 | 0.0159 |
NT, not toxic; *, each mETX compared with wild type rETX