期刊
JOURNAL OF BIOMOLECULAR STRUCTURE & DYNAMICS
卷 40, 期 8, 页码 3416-3427出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/07391102.2020.1847197
关键词
Protease inhibitor; SARS-CoV-2; COVID-19; lamivudine; lopinavir; docking; Mpro
This study investigated the inhibitory effects of several drugs on COVID-19 using computational methods. The results showed that Lopinavir and Lamivudine had strong interactions with the virus and demonstrated high inhibitory effects. These findings are important for the search for drugs to treat COVID-19.
The exponential increase in cases and mortality of coronavirus disease (COVID-19) has called for a need to develop drugs to treat this infection. Using in silico and molecular docking approaches, this study investigated the inhibitory effects of Pradimicin A, Lamivudine, Plerixafor and Lopinavir against SARS-CoV-2 M-pro. ADME/Tox of the ligands, pharmacophore hypothesis of the co-crystalized ligand and the receptor, and docking studies were carried out on different modules of Schrodinger (2019-4) Maestro v12.2. Among the ligands subjected to ADME/Tox by QikProp, Lamivudine demonstrated drug-like physico-chemical properties. A total of five pharmacophore binding sites (A3, A4, R9, R10, and R11) were predicted from the co-crystalized ligand and the binding cavity of the SARS-CoV-2 M-pro. The docking result showed that Lopinavir and Lamivudine bind with a higher affinity and lower free energy than the standard ligand having a glide score of -9.2 kcal/mol and -5.3 kcal/mol, respectively. Plerixafor and Pradimicin A have a glide score of -3.7 kcal/mol and -2.4 kcal/mol, respectively, which is lower than the co-crystallized ligand with a glide score of -5.3 kcal/mol. Molecular dynamics confirmed that the ligands maintained their interaction with the protein with lower RMSD fluctuations over the trajectory period of 100 nsecs and that GLU166 residue is pivotal for binding. On the whole, present study specifies the repurposing aptitude of these molecules as inhibitors of SARS-CoV-2 M-pro with higher binding scores and forms energetically stable complexes with M-pro. Communicated by Ramaswamy H. Sarma
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