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Structural plasticity of SARS-CoV-2 3CL Mpro active site cavity revealed by room temperature X-ray crystallography.
Kneller, Daniel W; Phillips, Gwyndalyn; O'Neill, Hugh M; Jedrzejczak, Robert; Stols, Lucy; Langan, Paul; Joachimiak, Andrzej; Coates, Leighton; Kovalevsky, Andrey.
Afiliación
  • Kneller DW; Neutron Scattering Division, Oak Ridge National Laboratory, 1 Bethel Valley Road, Oak Ridge, TN, 37831, USA.
  • Phillips G; Neutron Scattering Division, Oak Ridge National Laboratory, 1 Bethel Valley Road, Oak Ridge, TN, 37831, USA.
  • O'Neill HM; Neutron Scattering Division, Oak Ridge National Laboratory, 1 Bethel Valley Road, Oak Ridge, TN, 37831, USA.
  • Jedrzejczak R; Center for Structural Genomics of Infectious Diseases, Consortium for Advanced Science and Engineering, University of Chicago, Chicago, IL, 60667, USA.
  • Stols L; Structural Biology Center, X-ray Science Division, Argonne National Laboratory, Argonne, IL, 60439, USA.
  • Langan P; Center for Structural Genomics of Infectious Diseases, Consortium for Advanced Science and Engineering, University of Chicago, Chicago, IL, 60667, USA.
  • Joachimiak A; Neutron Scattering Division, Oak Ridge National Laboratory, 1 Bethel Valley Road, Oak Ridge, TN, 37831, USA.
  • Coates L; Center for Structural Genomics of Infectious Diseases, Consortium for Advanced Science and Engineering, University of Chicago, Chicago, IL, 60667, USA.
  • Kovalevsky A; Structural Biology Center, X-ray Science Division, Argonne National Laboratory, Argonne, IL, 60439, USA.
Nat Commun ; 11(1): 3202, 2020 06 24.
Article en En | MEDLINE | ID: mdl-32581217
ABSTRACT
The COVID-19 disease caused by the SARS-CoV-2 coronavirus has become a pandemic health crisis. An attractive target for antiviral inhibitors is the main protease 3CL Mpro due to its essential role in processing the polyproteins translated from viral RNA. Here we report the room temperature X-ray structure of unliganded SARS-CoV-2 3CL Mpro, revealing the ligand-free structure of the active site and the conformation of the catalytic site cavity at near-physiological temperature. Comparison with previously reported low-temperature ligand-free and inhibitor-bound structures suggest that the room temperature structure may provide more relevant information at physiological temperatures for aiding in molecular docking studies.
Asunto(s)

Texto completo: 1 Colección: 01-internacional Asunto principal: Cisteína Endopeptidasas / Proteínas no Estructurales Virales / Betacoronavirus Idioma: En Revista: Nat Commun Asunto de la revista: BIOLOGIA / CIENCIA Año: 2020 Tipo del documento: Article País de afiliación: Estados Unidos

Texto completo: 1 Colección: 01-internacional Asunto principal: Cisteína Endopeptidasas / Proteínas no Estructurales Virales / Betacoronavirus Idioma: En Revista: Nat Commun Asunto de la revista: BIOLOGIA / CIENCIA Año: 2020 Tipo del documento: Article País de afiliación: Estados Unidos