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. 2023 Apr 24;6:450. doi: 10.1038/s42003-023-04772-8

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© The Author(s) 2023

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Fig. 4 — S protein is trimer, cleavages are presented in the single protomer colored white (chain A). Chain B and C are colored light blue and light green, respectively. The S protein was generated with MAIN⁵⁹ and rendered with RASTER 3D⁶⁶.