Quantitatively mapping enzyme sequence-catalysis landscapes remains a critical challenge in understanding enzyme function,evolution,and design.In this study,we leveraged emerging microfluidic technology to measure cat...Quantitatively mapping enzyme sequence-catalysis landscapes remains a critical challenge in understanding enzyme function,evolution,and design.In this study,we leveraged emerging microfluidic technology to measure catalytic constants-kcat and KM-for hundreds of diverse orthologs and mutants of adenylate kinase(ADK).We dissected this sequence-catalysis landscape's topology,navigability,and mechanistic underpinnings,revealing catalytically heterogeneous neighborhoods organized by domain architecture.展开更多
文摘Quantitatively mapping enzyme sequence-catalysis landscapes remains a critical challenge in understanding enzyme function,evolution,and design.In this study,we leveraged emerging microfluidic technology to measure catalytic constants-kcat and KM-for hundreds of diverse orthologs and mutants of adenylate kinase(ADK).We dissected this sequence-catalysis landscape's topology,navigability,and mechanistic underpinnings,revealing catalytically heterogeneous neighborhoods organized by domain architecture.