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10.3390/molecules26082214

http://scihub22266oqcxt.onion/10.3390/molecules26082214
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33921378!8069104!33921378
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suck abstract from ncbi


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pmid33921378      Molecules 2021 ; 26 (8): ä
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  • Molecular Dynamic Simulation Search for Possible Amphiphilic Drug Discovery for Covid-19 #MMPMID33921378
  • Daood U; Gopinath D; Pichika MR; Mak KK; Seow LL
  • Molecules 2021[Apr]; 26 (8): ä PMID33921378show ga
  • To determine whether quaternary ammonium (k21) binds to Severe Acute Respiratory Syndrome-Coronavirus 2 (SARS-CoV-2) spike protein via computational molecular docking simulations, the crystal structure of the SARS-CoV-2 spike receptor-binding domain complexed with ACE-2 (PDB ID: 6LZG) was downloaded from RCSB PD and prepared using Schrodinger 2019-4. The entry of SARS-CoV-2 inside humans is through lung tissues with a pH of 7.38-7.42. A two-dimensional structure of k-21 was drawn using the 2D-sketcher of Maestro 12.2 and trimmed of C18 alkyl chains from all four arms with the assumption that the core moiety k-21 was without C18. The immunogenic potential of k21/QA was conducted using the C-ImmSim server for a position-specific scoring matrix analyzing the human host immune system response. Therapeutic probability was shown using prediction models with negative and positive control drugs. Negative scores show that the binding of a quaternary ammonium compound with the spike protein's binding site is favorable. The drug molecule has a large Root Mean Square Deviation fluctuation due to the less complex geometry of the drug molecule, which is suggestive of a profound impact on the regular geometry of a viral protein. There is high concentration of Immunoglobulin M/Immunoglobulin G, which is concomitant of virus reduction. The proposed drug formulation based on quaternary ammonium to characterize affinity to the SARS-CoV-2 spike protein using simulation and computational immunological methods has shown promising findings.
  • |*Drug Discovery[MESH]
  • |Binding Sites[MESH]
  • |COVID-19 Drug Treatment[MESH]
  • |COVID-19/pathology/virology[MESH]
  • |Humans[MESH]
  • |Molecular Docking Simulation[MESH]
  • |Peptidyl-Dipeptidase A/chemistry/metabolism[MESH]
  • |Quaternary Ammonium Compounds/chemistry/*metabolism[MESH]
  • |SARS-CoV-2/isolation & purification/*metabolism[MESH]
  • |Silanes/chemistry/metabolism[MESH]


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