TABLE 1.
Purification step | Protein amt (mg) | Total activity (nmol min−1) | Sp act (nmol min−1 mg of protein−1) | Yield (%) | Purification (fold) |
---|---|---|---|---|---|
Cell extract | 16.5 | 109 | 6.6 | 100 | 1 |
Solubilization and acetone precipitation | 7.4 | 36 | 4.8 | 33 | 0.7 |
Cation-exchange chromatography | .08 | 3.8 | 47 | 3.5 | 6.8 |