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(a) Interaction between host angiotensin-converting enzyme 2 (ACE2) receptor and SARS-CoV-2 spike through its receptor-binding domains (RBDs). (b) Peptidomimetic of the 6-amino-acid ACE2 motif (37-EDLFYQ-42) identified as a key epitope for SARS-CoV-2 inhibition.
