Figure 2.
(a) pH-dependent reactivity assay in catalytic sulfoxidation by hydrogen peroxide with biocatalysts 1·Mb(H64X, X=H (red line), R (pink line) and F (blue line)) and the control MnSalen 1 (black line).; (b) the observed reaction rates (kobss) for 1·Mb(H64X, X=H, F, and R) and the control MnSalen 1 in pH-dependent ABTS oxidations (5.0–9.0) with hydrogen peroxide; (c)-(f) pH effects of reactivity of 1·Mb(H64X, X=H, R, and F) and the control MnSalen 1 with H2O2 using ABTS (left axis) and thioanisole (right axis) as probes, respectively.