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. 2021 Sep 14;27(34):5630–5665. doi: 10.3748/wjg.v27.i34.5630

Figure 1.

Figure 1

Genome and structure of severe acute respiratory syndrome-coronavirus-2. The 30-kb severe acute respiratory syndrome-coronavirus-2 virus genome is shown. It possesses different open reading frames (ORFs). ORF 1a generates the nonstructural proteins (nsp) from nsp1-nsp11, ORF 1b generates proteins nsp12-nsp16. The spike, envelope, membrane, and nucleoprotein structural proteins and accessory proteins are generated from the 3’ region. Created with BioRender.com. SARS-CoV-2: Severe acute respiratory syndrome-coronavirus-2.