Table 1. Proline-based cryobuffers.
| Lysozyme | XI-1 | XI-2 | FtHAP | Mm5CDH | |
|---|---|---|---|---|---|
| Buffer | 0.1M Na acetate | 0.1M TrisHCl | 0.1M TrisHCl | 0.1M bis-Tris | 0.1M bis-Tris |
| pH | 4.6 | 8.5 | 8.5 | 6.5 | 6.25 |
| Precipitant | 1.2M NaCl | 2.0M (NH4)2SO4 | 5% PEG 4000 | 2.0M (NH4)2SO4 | 25% PEG 3350 |
| Proline (M) | 2.8 | 2.0 | 3.0 | 2.0 | 2.4 |