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Coronavirus, viral particle. The image shows, on the left, a graphic representation of a viral particle. The black box shows the structure of the spike protein. N: nucleocapsid, S: spike, M: membrane, E: envelope. RBD: receptor binding domain, S1-CTD: subunit 1 C-terminal domain, S1-NTD: subunit 1 N-terminal domain, S2: subunit 2, TA: transmembrane anchor, IT: intracellular tail. The scheme has been created with BioRender.com.
