Skip to main content
. 2023 Feb 16;74(2):69–75. doi: 10.2144/btn-2021-0114

Figure 2. . Aligned amino acid residues of the spike protein of SARS-CoV-2 from representative patient samples against the reference genome.

Figure 2. 

Yellow triangles indicate deletions while red triangles indicate major mutations at different positions. (A) Represents alpha variant with major mutations such as 69–70Del, 144Del, N501Y, A570D, P681H, T716I, S982A and D1118H. (B) Represents beta variant with major mutations such as D80A, K417N, E484K, N501Y and A701V. (C) Represents delta with major mutations such as G142D, 156 -157 Del, R158G, L452R, T478K, P681R and D950N. Reference sequence: GenBank Protein Accession: QHD43416.1. (SARS-CoV-2 isolate Wuhan-Hu-1, complete genome.)