SEARCH Articles Figures Tables Regiodivergent RRM in Selective Reactions of Difunctional Substrates Site-Directed Mutagenesis in the Study of Substrate Selectivity and Electron Transfer Substrate Selective Reactions in the Presence of Lewis Acids Substrate selectivity of the phosphorylation-dephosphorylation switch Substrates selection The Selective Activation of Alternative Reaction Sites in Substrates