Figure 6.
In vitro proteolytic activity assays of purified Rsa1, renin, cathepsin D and Rsa1 mutant proteins. Each enzyme was treated with no inhibitor (□), 2 mm pepstatin A (
) in 50 mm sodium phosphate buffer (pH 6.5) at 25 °C for 20 min, or 2 mm diazoacetyl‐d,l‐norleucine methyl ester (DAN) (
) in 50 mm sodium phosphate buffer (pH 6.5) containing 0.13 mm CuSO4 at 25 °C for 1 h. Values represent the means of triplicate samples. Vertical bars indicate standard deviations.