Table 3.
Inhibitor | Mean remaining activity (%) ± SDa |
||||
---|---|---|---|---|---|
0 mM | 1 mM | 4 mM | 8 mM | 10 mM | |
EDTA | 100 | 90.48 ± 1.86 | 53.57 ± 1.16 | 59.76 ± 1.13 | 49.29 ± 1.84 |
PMSF | 100 | 64.97 ± 2.81 | 56.80 ± 2.33 | 51.20 ± 3.56 | 26.68 ± 1.15 |
Pepstatin A | 100 | 86.31 ± 2.93 | 84.52 ± 5.93 | 96.43 ± 3.49 | 105.36 ± 7.19 |
Zn2+ | 100 | 106.00 ± 4.60 | 72.00 ± 2.91 | 38.00 ± 2.52 | 43.00 ± 2.86 |
Ca2+ | 100 | 80.00 ± 6.88 | 73.00 ± 3.86 | 63.00 ± 10.07 | 51.00 ± 3.12 |
Co2+ | 100 | 87.00 ± 2.76 | 128.00 ± 3.14 | 129.00 ± 4.49 | 61.00 ± 2.18 |
Mg2+ | 100 | 24.00 ± 9.50 | 37.00 ± 8.09 | 18.00 ± 1.43 | 16.00 ± 1.09 |
Mn2+ | 100 | 32.00 ± 1.80 | 41.00 ± 1.04 | 34.00 ± 1.04 | 38.00 ± 1.33 |
The control protease activity corresponds to 100% activity in the absence of inhibitor. Values represent the means of three replicates.