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Inhibitory capacity of Chloroquine against SARS-COV-2 by effective binding with Angiotensin converting enzyme-2 receptor: An insight from molecular docking and MD-simulation studies
Baildya et al., Journal of Molecular Structure, doi:10.1016/j.molstruc.2021.129891
Baildya et al., Inhibitory capacity of Chloroquine against SARS-COV-2 by effective binding with Angiotensin converting.., Journal of Molecular Structure, doi:10.1016/j.molstruc.2021.129891
Jan 2021   Source   PDF  
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Molecular docking study of 16 drugs showing CQ had the highest binding affinity with ACE2, and molecular dynamics study of the docked CQ-ACE2 structure. Authors conclude that CQ binds reasonably strongly with ACE2 and the stable ACE2-CQ may prevent further binding of ACE2 with the SARS-CoV-2 spike protein.
Baildya et al., 7 Jan 2021, peer-reviewed, 3 authors.
In Silico studies are an important part of preclinical research, however results may be very different in vivo.
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Abstract: Journal of Molecular Structure 1230 (2021) 129891 Contents lists available at ScienceDirect Journal of Molecular Structure journal homepage: www.elsevier.com/locate/molstr Inhibitory capacity of chloroquine against SARS-COV-2 by effective binding with angiotensin converting enzyme-2 receptor: An insight from molecular docking and MD-simulation studies Nabajyoti Baildya a,∗, Narendra Nath Ghosh b, Asoke P. Chattopadhyay a a b Department of Chemistry, University of Kalyani, Kalyani 741235, India Department of Chemistry, University of Gour Banga, Mokdumpur, Malda, 732103, India a r t i c l e i n f o Article history: Received 22 June 2020 Revised 22 August 2020 Accepted 4 January 2021 Available online 7 January 2021 Keywords: Chloroquine (CLQ) Angiotensin converting enzyme 2 (ACE2) protein Molecular docking MD-simulation a b s t r a c t The main binding site for SARS-COV-2 spike protein in human body is human Angiotensin converting enzyme 2 (ACE2) protein receptor. Herein we present the effect of chloroquine (CLQ) on human ACE2 receptor. Molecular docking studies showed that chloroquine have a docking score is quite high compare to other well known drugs. Furthermore, molecular dynamics (MD) studies with CLQ docked ACE2 results in large fluctuations on RMSD up to 2.3 ns, indicating conformational and rotational changes due to the presence of drug molecule in the ACE2 moiety. Analysis of results showed that CLQ can effect the conformation of human ACE2 receptor. We believed that this work will help researchers to understand better the effect of CLQ on ACE2.
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