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Ribbon models of (a) Delta variant and (b) Omicron variant. Delta variant mutations: T19R, G142D, E156G, L452R, T478K, D614G, P681R, and D950 N. Omicron variant mutations: A67V, T95I, Y145D, L212I, G339D, S371L, S373P, S375F, K417 N, N440K, G446S, S477 N, T478K, E484A, Q493R, G496S, Q498R, N501Y, Y505H, T547K, D614G, H655Y, N679K, P681H, N764K, D796Y, N856K, Q954H, N969K, and L981F. Mutation residues and corresponding texts are highlighted in red.
