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Fig. 2
(A) Pairwise sequence alignment between Pep42 and four regions of the COVID-19 spike protein model. Secondary structures and surface accessibility are shown at the top and the bottom of the alignment, respectively. The percentage of identity arrows shows beta-sheets on the right side of each alignment. Identical and similar residues are highlighted in red and yellow, respectively. (B) The hydrophobicity index (Kyte & Doolittle) for the four regions of the spike protein model for COVID-19 and the Pep42 peptide. Grand average hydrophobicity (GRAVY) is shown on the right side for each peptide. (For interpretation of the references to color in this figure legend, the reader is referred to the web version of this article.)
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