Chemical | Relative activity (%) 1 mM concentration | Relative activity (%) 5 mM concentration |
Control | 100 | 100 |
EDTA | 84 | 76 |
SDS | 150 | 204 |
Urea | 85 | 40 |
ZnCl2 | 28 | 44 |
MgCl2 | 51 | 72 |
NiCl2 | 47 | 24 |
CaCl2 | 56 | 80 |
HgCl2 | 20 | 0 |
CuCl2 | 96 | 83 |
Tween20 | 127 | 215 |