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Effects of metal ions on Nocardia GTPCH activity
| Salt added | Remaining activity (%)a
|
|
|---|---|---|
| 1 mM | 5 mM | |
| None | 100 | 100 |
| CaCl2 | 100 | 18.8 |
| CoCl2 | 110 | 87.4 |
| CuCl2 | 95.1 | 9.1 |
| FeCl2 | 94.2 | 51.9 |
| HgCl2 | 13 | 58.1 (0.1 mM) |
| MgCl2 | 100 | 90.7 |
| MnCl2 | 102 | 65.5 |
| ZnCl2 | 100 | 9.5 |
The activity of controls with no added metal salts was 0.02 nmol−1·h−1 as 100%.
