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Mutations in several notable SARS-CoV-2 variants. Schematic of the full-length spike protein of SARS-CoV-2 variants, including G614, D614, B.1.1.7, 501Y.V2, and P.1 lineage. Mutations in the spike protein of these different variants are shown in yellow labeled with the precise position. NTD, N terminal domain; RBD, receptor-binding domain; FP, fusion peptide; HR1, heptad repeat 1; HR2, heptad repeat 2; TM, transmembrane domain.
