TABLE 1.
Fraction | Total protein (mg)
|
Total activity (U)a
|
Sp act (U/mg)
|
Yield (%)
|
||||
---|---|---|---|---|---|---|---|---|
vEP-45 | vEP-34 | vEP-45 | vEP-34 | vEP-45 | vEP-34 | vEP-45 | vEP-34 | |
Periplasmic | 75 | 118 | 282,000 | 545,000 | 3,750 | 4,620 | 100 | 100 |
Phenyl Sepharose HP | 13 | 46 | 194,000 | 509,000 | 14,900 | 11,700 | 69 | 93 |
Superdex 75 100/300 GL | 4.7 | 23 | 75,900 | 373,000 | 16,100 | 16,200 | 27 | 68 |
One unit is defined as the amount of enzyme that catalyzes the proteolysis of 1 μg of azocasein per min.