6XS6:
reference: Structural and Functional Analysis of the D614G SARS-CoV-2 Spike Protein Variant., Yurkovetskiy L, Wang X, Pascal KE, Tomkins-Tinch C, Nyalile TP, Wang Y, Baum A, Diehl WE, Dauphin A, Carbone C, Veinotte K, Egri SB, Schaffner SF, Lemieux JE, Munro JB, Rafique A, Barve A, Sabeti PC, Kyratsous CA, Dudkina NV, Shen K, Luban J, Cell. 2020 Sep 15. pii: S0092-8674(20)31229-0. doi: 10.1016/j.cell.2020.09.032. PMID: 32991842

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