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(a) Schematic of structural proteins of the SARS-CoV-2 virion. (b) Top view cartwheel complexed with the invading SARS-CoV-2 virion. Trimeric spike (S) protein on the surface of the SARS-CoV-2 is shown in red. (c) Side view of cartwheel-containing procentriole in complex with SARS-CoV 2 virion. (Part of (c) is adopted from [25] with author permission).
