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. 2021 Apr 3;901:174082. doi: 10.1016/j.ejphar.2021.174082

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Fig. 1 — SARS-CoV-2 genome containing 16 non-structural proteins (Nsp) organized in individual with polyprotein 1ab (PP1ab). Red (PL^PRO) and Blue (3CL^PRO) triangles show the cleavage sites of the protease.