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  • Journal article

  • Nanopore dwell time analysis permits sequencing and conformational assignment of pseudouridine in SARS-CoV-2

    • Authors : Fleming, Aaron M. (2021)

  • Nanopore devices can directly sequence RNA, and the method has the potential to determine locations of epitranscriptomic modifications that have grown in significance because of their roles in cell regulation and stress response. Pseudouridine (Ψ), the most common modification in RNA, was sequenced with a nanopore system using a protein sensor with a helicase brake in synthetic RNAs with 100% modification at 18 known human pseudouridinylati...
  • Journal article

  • Recognition of Divergent Viral Substrates by the SARS-CoV-2 Main Protease

    • Authors : MacDonald, Elizabeth A. (2021)

  • The main protease (Mpro) of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the cause of coronavirus disease (COVID-19), is an ideal target for pharmaceutical inhibition. It is required for infection, it cleaves the viral polyprotein at multiple sites, and it is conserved among coronaviruses and distinct from human proteases. We present crystal structures of SARS CoV-2 Mpro bound to two viral substrate peptides. The structures show how Mpro...
  • Journal article

  • Comparative host interactomes of the SARS-CoV-2 nonstructural protein 3 and human coronavirus homologs

    • Authors : Almasy, Katherine M. (2021)

  • Human coronaviruses have become an increasing threat to global health; three highly pathogenic strains have emerged since the early 2000s, including most recently SARS-CoV-2, the cause of COVID-19. A better understanding of the molecular mechanisms of coronavirus pathogenesis is needed, including how these highly virulent strains differ from those that cause milder, common-cold like disease. While significant progress has been made in understanding how SARS-CoV-2 ...