Table 3.
Effect of metal ions on esterase activity
Compounds | Concentration (mM) | Relative activity (%) |
---|---|---|
Control | 0 | 100.0 ± 2.9 |
CoCl2 | 5 | 126.4 ± 2.1 |
K2SO4 | 5 | 103.2 ± 3.6 |
FeSO4 | 5 | 100.9 ± 2.6 |
CuCl2 | 5 | 7.8 ± 2.7 |
Ni(NO3)2 | 5 | 36.2 ± 4.3 |
EDTA | 5 | 102.7 ± 3.2 |
FeCl3 | 5 | 10.9 ± 3.4 |
CaCl2 | 5 | 104.1 ± 3.7 |
ZnCl2 | 5 | 23.7 ± 1.8 |
MgCl2 | 5 | 79.7 ± 2.6 |
Activity without metal ions was set as 100% (4,897 U/ml). All measurements were repeated three times.