RT Journal Article SR Electronic T1 The 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 study JF bioRxiv FD Cold Spring Harbor Laboratory SP 2020.12.23.424283 DO 10.1101/2020.12.23.424283 A1 Filip Fratev YR 2020 UL http://biorxiv.org/content/early/2020/12/31/2020.12.23.424283.abstract AB 502 Bad Gateway The server returned an invalid or incomplete response.