Figure 2

Inactivation of R141A and S174A at 45°C. A 50 mM triethanolamine buffer, pH 7.0, was used. The protein concentration was 35 μg/ml (A) and 20 μg/ml (B). Symbols show the experimental data and solid lines are the corresponding straight-line fits. Representative data are shown. Conditions: no Pi added (full circles); 10 mM Pi (open circles).