Table 1.
Purification Step | Total protein (mg) | Total Activity (nmoles hr−1) | Specific Activity a (nmoles mg−1 hr−1) | Purification (fold) | Yield (%) |
---|---|---|---|---|---|
Crude cell extract | 180 | 89,000 | 480 | 1 | 100 |
HisTrap HP | 0.20 | 4,400 | 22,000 | 46 | 5 |
Activity determined with 100 μM MTA plus 50 mM phosphate