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SARS-CoV-2 spike (S) modelled with SWISS-MODEL (9) using the 6ZGH structure as a template, drawn and colored in UCSF Chimera (10). The N-terminal domain (NTD) is colored green, and the receptor-binding domain/C-terminal domain (RBD/CTD) is red. The enlarged inset shows the location of the R634H mutation (blue).
