Abstract:pH plays versatile roles in both biology and chemistry. For instance, pH can regulate the long-range electron transfer (ET) in many proteins. However, the mechanistic basis of many pH-dependent long-range ET processes remain unclear. In this study, we unravel the critical role of pH in accelerating the long-range ET in lignin peroxidase (LiP) using QM/MM MD simulations and the nonadiabatic ET and PCET theories. As a key enzyme involved in lignin degradation, LiP accomplishes the one-electron oxidation of ligni… Show more
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