| CaCl2•2H2O
|
2.94 g |
20 mM |
| EDTA (0.5 M)
|
2 mL |
1 mM |
| HEPES (1 M) |
50 mL |
50 mM |
| KCl
|
1.491 g |
20 mM |
| MgSO4 |
1.204 g |
10 mM |
| NaCl |
58.44 g |
1 M |
| H2O
|
to 1 L |
|
| Mix all other ingredients well before adding CaCl2. Adjust the pH to 7.8 with 1 M NaOH. Prepare MMR as a 10X stock, then dilute to 1X or 0.1X with H2O and autoclave before use. The 10X stock can be stored for several months to years at room temperature.
|