Table 1. Purification scheme of the La3+-dependent MDH isolated from M. extorquens strain AM1.
Step | Total activity (Unit) | Specific activity (U/mg) | Purification (fold) | Yield (%) |
Cell free extract | 46 | 0.62 | 1.0 | 100 |
PD-10 | 33 | 0.74 | 1.2 | 71 |
Hi-trap SP HP Sepharose HP | 15 | 14 | 22 | 32 |
MonoS 5/50 GL | 4.5 | 10 | 17 | 18 |