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10.1002/jmv.25761

http://scihub22266oqcxt.onion/10.1002/jmv.25761
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32167173!7228302!32167173
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suck abstract from ncbi


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pmid32167173      J+Med+Virol 2020 ; 92 (6): 693-697
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  • The potential chemical structure of anti-SARS-CoV-2 RNA-dependent RNA polymerase #MMPMID32167173
  • Lung J; Lin YS; Yang YH; Chou YL; Shu LH; Cheng YC; Liu HT; Wu CY
  • J Med Virol 2020[Jun]; 92 (6): 693-697 PMID32167173show ga
  • An outbreak of coronavirus disease 2019 (COVID-19) occurred in Wuhan and it has rapidly spread to almost all parts of the world. For coronaviruses, RNA-dependent RNA polymerase (RdRp) is an important polymerase that catalyzes the replication of RNA from RNA template and is an attractive therapeutic target. In this study, we screened these chemical structures from traditional Chinese medicinal compounds proven to show antiviral activity in severe acute respiratory syndrome coronavirus (SARS-CoV) and the similar chemical structures through a molecular docking study to target RdRp of SARS-CoV-2, SARS-CoV, and Middle East respiratory syndrome coronavirus (MERS-CoV). We found that theaflavin has a lower idock score in the catalytic pocket of RdRp in SARS-CoV-2 (-9.11 kcal/mol), SARS-CoV (-8.03 kcal/mol), and MERS-CoV (-8.26 kcal/mol) from idock. To confirm the result, we discovered that theaflavin has lower binding energy of -8.8 kcal/mol when it docks in the catalytic pocket of SARS-CoV-2 RdRp by using the Blind Docking server. Regarding contact modes, hydrophobic interactions contribute significantly in binding and additional hydrogen bonds were found between theaflavin and RdRp. Moreover, one pi-cation interaction was formed between theaflavin and Arg553 from the Blind Docking server. Our results suggest that theaflavin could be a potential SARS-CoV-2 RdRp inhibitor for further study.
  • |Amino Acid Sequence[MESH]
  • |Antiviral Agents/*chemistry/pharmacology[MESH]
  • |Betacoronavirus/*drug effects/enzymology/genetics[MESH]
  • |Biflavonoids/*chemistry/pharmacology[MESH]
  • |Catalytic Domain[MESH]
  • |Catechin/*chemistry/pharmacology[MESH]
  • |Computational Biology/methods[MESH]
  • |Drugs, Chinese Herbal/*chemistry/pharmacology[MESH]
  • |Gene Expression[MESH]
  • |Humans[MESH]
  • |Hydrogen Bonding[MESH]
  • |Hydrophobic and Hydrophilic Interactions[MESH]
  • |Middle East Respiratory Syndrome Coronavirus/drug effects/enzymology/genetics[MESH]
  • |Molecular Docking Simulation[MESH]
  • |Protein Binding[MESH]
  • |Protein Interaction Domains and Motifs[MESH]
  • |Protein Structure, Secondary[MESH]
  • |RNA-Dependent RNA Polymerase/antagonists & inhibitors/*chemistry/genetics/metabolism[MESH]
  • |SARS-CoV-2[MESH]
  • |Sequence Alignment[MESH]
  • |Sequence Homology, Amino Acid[MESH]
  • |Severe acute respiratory syndrome-related coronavirus/drug effects/enzymology/genetics[MESH]
  • |Thermodynamics[MESH]


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