TABLE 2.
Purification step | Amt of protein (mg) | Activity (nkat) | Sp act (nkat/mg) | Purification factor (fold) | Yield (%) |
---|---|---|---|---|---|
Extract | 493.1 | 9,842 | 20 | 1.0 | 100.0 |
(NH4)2SO4 precipitation | 193.2 | 8,104 | 42 | 2.1 | 82.3 |
Anion-exchange chroma- tography | 2.1 | 1,767 | 850 | 42.6 | 18.0 |
Affinity chromatography | 0.04 | 198 | 4,972 | 249.1 | 2.0 |