TABLE 2.
Effect of metal ion on enzymatic activity
| Additive | Specific activity |
|---|---|
| milliunits/mg protein | |
| None | 0.0 ± 0.0 |
| MgSO4 | 41.5 ± 1.4 |
| MnCl2 | 39.2 ± 3.8 |
| CoCl2 | 33.3 ± 1.9 |
| CaCl2 | 7.5 ± 1.6 |
| NiCl2 | 3.6 ± 0.6 |
| ZnSO4 | 1.3 ± 0.2 |
| CuCl2 | 0.3 ± 0.0 |
| FeSO4 | 0.8 ± 0.2 |
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