EC Number   |
Storage Stability |
|---|
    4.2.1.84 | -20°C, 2 weeks, 90% residual activity, with addition of 8% glycerol, complete loss of activity within one week |
| 4.2.1.84 | -20°C, 50% glycerol, 0.01 M HEPES/KOH buffer, pH 7.2, 22 mM n-butyric acid, stable for more than 2 months |
| 4.2.1.84 | -20°C, pH 7.0, 50% glycerol, stable for at least 40 days, 40% loss of activity after 6 months |
| 4.2.1.84 | -40ºC, pH 7.2, 40 mM butyric acid, stable |
| 4.2.1.84 | -80°C, stable for weeks |
| 4.2.1.84 | 0°C, pH 7.0, 50% loss of activity after 40 days |
| 4.2.1.84 | 4°C, purified recombinant wild-type enzyme, retains complete activity for 1 year, and the catalytic center does not change as confimed by analysis of the crystal structure |
| 4.2.1.84 | 4°C, stable for weeks |
| 4.2.1.84 | 4°C, Tris-HCl buffer pH 7.2 |
| 4.2.1.84 | organic acids stabilize, stable for more than 1 month in 0.1 M HEPES/KOH, pH 7.2, with 44 mM n-butyric acid, n-valeric acid, isovaleric acid, isobutyric acid or n-caproic acid |
