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  • Journal article

  • Uncovering the structural flexibility of SARS-CoV-2 glycoprotein spike variants

    • Authors : Arruda, Hiam R. S. (2023)

  • The severe acute respiratory syndrome CoV-2 rapidly spread worldwide, causing a 43 pandemic. After a period of evolutionary stasis, a set of SARS-CoV-2 mutations has arisen in the 44 spike, the leading glycoprotein at the viral envelope and the primary antigenic candidate for 45 vaccines against the 2019 CoV disease (COVID-19). Here, we present comparative biochemical 46 data of the glycosylated full-length ancestral and D614G spike to...
  • 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

  • Biochemical and structural insights into SARS-CoV-2 polyprotein processing by Mpro

    • Authors : Yadav, Ruchi (2023)

  • SARS-CoV-2, a human coronavirus, is the causative agent of the COVID-19 34 pandemic. Its ~30 kb RNA genome is translated into two large polyproteins subsequently cleaved 35 by viral papain-like protease and main protease (Mpro/nsp5). Polyprotein processing is essential 36 yet incompletely understood. We studied Mpro-mediated processing of the nsp7-10/11 37 polyprotein, whose mature products are cofactors of the viral replicase, identifying the&#...