Additive | Relative enzyme activity (%)* at an additive concentration of: | |
---|---|---|
 | 1 mM | 10 mM |
None | 100.0 ± 2.0abc, NS | 100.0 ± 1.0C, NS |
Fe2+ | 99.9 ± 4.5abc, 2 | 74.1 ± 1.2B, 1 |
Mg2+ | 105.9 ± 3.0c, 1 | 111.7 ± 5.1E, 2 |
Ca2+ | 112.4 ± 1.5d, NS | 112.4 ± 2.8E, NS |
Cu2+ | 95.5 ± 2.2a, 2 | 29.9 ± 2.7A, 1 |
Co2+ | 103.4 ± 4.1bc, 1 | 106.1 ± 3.5D, 2 |
Zn2+ | 99.2 ± 2.5ab, NS | 98.4 ± 2.4C, NS |
EDTA | 100.9 ± 5.3abc, NS | 99.6 ± 1.2C, NS |