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Blocking infection There are multiple approaches to prevent severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) spike (S) protein from binding to its cell entry receptor, angiotensin-converting enzyme 2 (ACE2).
GRAPHIC: V. ALTOUNIAN/SCIENCE; (PROTEIN STRUCTURE DATA) W. SONG ET AL. PLOS PATHOGENS 10.1371/JOURNAL.PPAT.1007236 (2018) AND R. YAN ET AL. SCIENCE 367, 1444 (2020)
