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10.1002/cbic.202000562

http://scihub22266oqcxt.onion/10.1002/cbic.202000562
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33174669!8284874!33174669
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suck abstract from ncbi


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pmid33174669      Chembiochem 2021 ; 22 (7): 1196-1200
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  • Computational Hot-Spot Analysis of the SARS-CoV-2 Receptor Binding Domain/ACE2 Complex* #MMPMID33174669
  • Rosario PA; McNaughton BR
  • Chembiochem 2021[Apr]; 22 (7): 1196-1200 PMID33174669show ga
  • Infection and replication of SARS CoV-2 (the virus that causes COVID-19) requires entry to the interior of host cells. In humans, a protein-protein interaction (PPI) between the SARS CoV-2 receptor-binding domain (RBD) and the extracellular peptidase domain of ACE2 on the surface of cells in the lower respiratory tract is an initial step in the entry pathway. Inhibition of the SARS CoV-2 RBD/ACE2 PPI is currently being evaluated as a target for therapeutic and/or prophylactic intervention. However, relatively little is known about the molecular underpinnings of this complex. Employing multiple computational platforms, we predicted "hot-spot" residues in a positive-control PPI (PMI/MDM2) and the CoV-2 RBD/ACE2 complex. Computational alanine scanning mutagenesis was performed to predict changes in Gibbs' free energy that are associated with mutating residues at the positive control (PMI/MDM2) or SARS RBD/ACE2 binding interface to alanine. Additionally, we used the Adaptive Poisson-Boltzmann Solver to calculate macromolecular electrostatic surfaces at the interface of the positive-control PPI and SARS CoV-2/ACE2 PPI. Finally, a comparative analysis of hot-spot residues for SARS-CoV and SARS-CoV-2, in complex with ACE2, is provided. Collectively, this study illuminates predicted hot-spot residues, and clusters, at the SARS CoV-2 RBD/ACE2 binding interface, potentially guiding the development of reagents capable of disrupting this complex and halting COVID-19.
  • |Angiotensin-Converting Enzyme 2/chemistry/genetics/*metabolism[MESH]
  • |Computer Simulation[MESH]
  • |Humans[MESH]
  • |Models, Molecular[MESH]
  • |Mutation[MESH]
  • |Protein Binding[MESH]
  • |Protein Interaction Domains and Motifs[MESH]
  • |SARS-CoV-2/chemistry[MESH]
  • |Spike Glycoprotein, Coronavirus/chemistry/genetics/*metabolism[MESH]


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