N501Y and K417N Mutations in the Spike Protein of SARS-CoV-2 Alter the Interactions with Both hACE2 and Human-Derived Antibody: A Free Energy of Perturbation Retrospective Study.

Abstract excerpt

The N501Y and K417N mutations in the spike protein of SARS-CoV-2 and their combination gave rise to questions, but the data on their mechanism of action at the molecular level were limited. In this study, we present free energy perturbation (FEP) calculations, performed at the end of December 2020, for the interactions of the spike S1 receptor-binding domain (RBD) with both the ACE2 receptor and an antibody...

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