Table 2. Protein melting temperatures when supplemented with metal ion solutions.
| Additive (6 mM) | Tm (°C) |
| No additive (H2O) | 54.4 |
| Ca2+ | 62.4 |
| Zn2+ | 57.3 |
| Mn2+ | 56.6 |
| Mg2+ | 55.8 |
| Na+ | 54.0 |
| Li+ | 53.7 |
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