Fig. 5.
Molecular binding of SARS-CoV-2 spike receptor-binding domain (RBD) and B.1.1.7 lineage spike RBD with three active components of APRG64, ursolic acid (1), quercetin (7), and 1, 2, 3, 4, 6-penta-O-galloyl-β-d-glucose (12).
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