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Charge distribution of the SARS-CoV-2 S glycoprotein, (a) top view, (b) side view, and (c) the charge distribution in the direction z, perpendicular to the virus surface. The ΣQ denotes the total electrostatic (partial) charge in 1-nm thick slice. Red and blue colors denote negative and positive charges, respectively. Snapshots were made based on molecular coordinates provided in the study by Casalino et al. [22].
