eplaced by Gly-Val-Glu-Gly in SARS-CoV-2 (residues 482–485), yielding a more compact loop able to engage more interactions with proximal ACE2 residues (e.g., Ser19 and Gln24) (Shang et al., 2020b). Additionally, Phe486 of SARS-CoV-2 RBM (wh