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Leucoefdin a potential inhibitor against SARS CoV-2 Mpro #MMPMID34281489
Singh A; Mishra A
J Biomol Struct Dyn 2020[]; ä (ä): 1-6 PMID34281489show ga
Leucoefdin an important constituent of various fruits such as banana, raspberry, etc. was explored to target MPro protease of SARS Co-V 2. Ligand was found to bind at active site of MPro with large negative binding energies in molecular docking and simulation study. The docking results showed that Leucoefdin interacted with the MPro by forming hydrogen bonds, at Leu 141, His163, His 164, and Glu 166. Other non-bonded interactions were seen at Met49, Pro52, Tyr54, Phe140, Leu141, Cys145 and Met165. Results of Leucoefdin was in coherence with the recently reported MPro protease-inhibitor complex. It even displayed better binding energies (kcal/mol) in HTVS (-6.28), SP (-7.28), XP (-9.29) and MMGBSA (-44.71) as compared to the reference ligand [HTVS (-4.87), SP (-6.79), XP (-5.75) and MMGBSA (-47.76)]. Leucoefdin-MPro complex on molecular dynamic simulation showed initial fluctuations in RMSD plot for a certain period and attained equilibrium which remained stable during entire simulation for 150?ns. RMSF of protein showed less secondary structure fluctuations and a greater number of H-bond formation with Leucoefdin during 150?ns simulation. Post simulation MMGBSA analysis showed binding energy of -45.98?Kcal/mol. These findings indicated the potential of Leucoefdin as lead compound in R&D for drug discovery and development against SARS CoV-2.Communicated by Ramaswamy H. Sarma
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J+Biomol+Struct+Dyn 2020 ; ä (ä): 1-6
