TY - RPRT TI - SARS-CoV-2 B.1.1.7 and B.1.351 Spike variants bind human ACE2 with increased affinity AU - Khavari, P. AU - Ramanathan, M. AU - Ferguson, I. D. AU - Miao, W. PY - 2021 DO - 10.1101/2021.02.22.432359 UR - https://www.biorxiv.org/content/10.1101/2021.02.22.432359v1 ID - 10.1101/2021.02.22.432359 ER -