Table 2.
Step | Total volume, ml | Total protein, mg | Total activity, milliunits | Specific activity, milliunits/mg of protein | Purification, -fold | Yield, % |
---|---|---|---|---|---|---|
Crude extract | 560.0 | 5107.8 | 105,000 | 20.6 | — | 100.0 |
Supernatant, 100,000 × g | 520.0 | 3436.7 | 100,500 | 29.2 | 1.4 | 95.7 |
Ammonium sulfate, 50% | 520.0 | 748.6 | 97,500 | 130.2 | 6.3 | 92.8 |
pH 4.2/62°C | 520.0 | 24.9 | 90,500 | 3,634.0 | 176.4 | 86.2 |
Ammonium sulfate, 50% | 5.7 | 8.1 | 47,300 | 5,839.0 | 283.4 | 45.0 |
Superdex 200 | 1.7 | 1.3 | 30,200 | 23,230.0 | 1127.6 | 28.7 |