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Influence of divalent cations on the activity of recombinant (S)-3-hydroxybutyryl-CoA dehydrogenase Nmar_1028.
| Substrate | Relative activity (%) |
| No addition | 100a |
| EDTA (0.5 mM) | 100 ± 1 |
| MgCl2 (5 mM) | 90 ± 10 |
| MnCl2 (5 mM) | 88 ± 2 |
| NiCl2 (1 mM) | 79 ± 8 |
| CoCl2 (1 mM) | 76 ± 5 |
| FeCl2 (1 mM) | 35 ± 4 |
| ZnCl2 (1 mM) | 1.5 ± 0.3 |
a100% activity corresponds to 69.6 ± 1.4 U mg–1 protein measured with 0.2 mM (S)-3-hydroxybutyryl-CoA and 0.5 mM NAD.
