Chemical reagent | Concentration (mM) | Residual activity (%) | Chemical reagent | Concentration (%; v/v) | Residual activity (%) |
---|---|---|---|---|---|
None | – | 100.00 ± 1.25d |  |  |  |
EDTA | 2.5 | 98.57 ± 0.55d | Isopropanol | 2.5 | 32.85 ± 2.04e |
 | 5 | 97.15 ± 1.14d |  | 5 | 13.91 ± 6.62f |
SDS | 2.5 | 98.23 ± 1.61d | DMSO | 2.5 | 115.00 ± 4.55c |
 | 5 | 94.30 ± 2.23d |  | 5 | 100.61 ± 3.45d |
PMSF | 2.5 | -3.47 ± 1.53 g | Mercaptoethanol | 2.5 | 395.44 ± 11.56b |
 | 5 | 4.81 ± 3.41 fg |  | 5 | 444.67 ± 0.78a |