| Tris–HCl (1 m, pH 7.5)
|
2.5 mL |
10 mm |
| NaCl (5 m)
|
5 mL |
100 mm |
| MgCl2 (1 m)
|
625 µL |
2.5 mm |
| Triton X-100 (20%) |
6.25 mL |
0.5% |
| Phenylmethylsulfonylfluoride (PMSF; Sigma-Aldrich P7626; 0.2 m in isopropanol)
|
250 µL |
0.2 mm |
| Protease inhibitor cocktail (1000×)
|
250 µL |
1× |
| H2O
|
to 250 mL |
|
| Combine the first four reagents and H2O. Filter with a 0.2-mm filter. Store at 4°C. Add PMSF and protease inhibitor cocktail immediately before use.
|