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Cold sensitivity of the SARS-CoV-2 spike ectodomain
Robert J Edwards; Katayoun Mansouri; Victoria Stalls; Kartik Manne; Brian Watts; Rob Parks; Katarzyna Janowska; Sophie M.C. Gobeil; Megan Kopp; Dapeng Li; Xiaozhi Lu; Zekun Mu; Margaret Deyton; Thomas Oguin III; Jordan Sprenz; Wilton Williams; Kevin Saunders; David Montefiori; Greogory D Sempowski; Rory Henderson; Munir Alam; Barton F Haynes; Priyamvada Acharya.
Afiliação
  • Robert J Edwards; Duke University
  • Katayoun Mansouri; Duke University
  • Victoria Stalls; Duke University
  • Kartik Manne; Duke University
  • Brian Watts; Duke University
  • Rob Parks; Duke University
  • Katarzyna Janowska; Duke University
  • Sophie M.C. Gobeil; Duke University
  • Megan Kopp; Duke University
  • Dapeng Li; Duke University
  • Xiaozhi Lu; Duke University
  • Zekun Mu; Duke University
  • Margaret Deyton; Duke University
  • Thomas Oguin III; Duke University
  • Jordan Sprenz; Duke University
  • Wilton Williams; Duke University
  • Kevin Saunders; Duke University
  • David Montefiori; Duke University
  • Greogory D Sempowski; Duke University
  • Rory Henderson; Duke University
  • Munir Alam; Duke University
  • Barton F Haynes; Duke University
  • Priyamvada Acharya; Duke University
Preprint em En | PREPRINT-BIORXIV | ID: ppbiorxiv-199588
Artigo de periódico
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ABSTRACT
The SARS-CoV-2 spike (S) protein, a primary target for COVID-19 vaccine development, presents its Receptor Binding Domain in two conformations receptor-accessible "up" or receptor-inaccessible "down" conformations. Here, we report that the commonly used stabilized S ectodomain construct "2P" is sensitive to cold temperature, and that this cold sensitivity is resolved in a "down" state stabilized spike. Our results will impact structural, functional and vaccine studies that use the SARS-CoV-2 S ectodomain.
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Texto completo: 1 Coleções: 09-preprints Base de dados: PREPRINT-BIORXIV Idioma: En Ano de publicação: 2020 Tipo de documento: Preprint
Texto completo: 1 Coleções: 09-preprints Base de dados: PREPRINT-BIORXIV Idioma: En Ano de publicação: 2020 Tipo de documento: Preprint