Journal
BIOPHYSICAL CHEMISTRY
Volume 278, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.bpc.2021.106677
Keywords
SARS-CoV-2; COVID-19; Molecular docking; Molecular dynamic; Ivermectin; Avermectin
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The study found that the homologs mixture of ivermectin showed antiviral activity against SARS-CoV-2 in vitro, with each homolog exhibiting different affinity for viral and host structures, leading to differential disturbances influenced by hydrophobicity and binding pockets.
The SARS-CoV-2 pandemic has accelerated the study of existing drugs. The mixture of homologs called ivermectin (avermectin-B1a [HB1a] + avermectin-B1b [HB1b]) has shown antiviral activity against SARS-CoV-2 in vitro. However, there are few reports on the behavior of each homolog. We investigated the interaction of each homolog with promising targets of interest associated with SARS-CoV-2 infection from a biophysical and computational-chemistry perspective using docking and molecular dynamics. We observed a differential behavior for each homolog, with an affinity of HB1b for viral structures, and of HB1a for host structures considered. The induced disturbances were differential and influenced by the hydrophobicity of each homolog and of the binding pockets. We present the first comparative analysis of the potential theoretical inhibitory effect of both avermectins on biomolecules associated with COVID-19, and suggest that ivermectin through its homologs, has a multiobjective behavior.
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