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• W4226162365 endingPage "e0266844" @default.
• W4226162365 startingPage "e0266844" @default.
• W4226162365 abstract "The emergence of Omicron (B.1.1.529), a new Variant of Concern in the COVID-19 pandemic, while accompanied by the ongoing Delta variant infection, has once again fueled fears of a new infection wave and global health concern. In the Omicron variant, the receptor-binding domain (RBD) of its spike glycoprotein is heavily mutated, a feature critical for the transmission rate of the virus by interacting with hACE2. In this study, we used a combination of conventional and advanced neural network-based in silico approaches to predict how these mutations would affect the spike protein. The results demonstrated a decrease in the electrostatic potentials of residues corresponding to receptor recognition sites, an increase in the alkalinity of the protein, a change in hydrophobicity, variations in functional residues, and an increase in the percentage of alpha-helix structure. Moreover, several mutations were found to modulate the immunologic properties of the potential epitopes predicted from the spike protein. Our next step was to predict the structural changes of the spike and their effect on its interaction with the hACE2. The results revealed that the RBD of the Omicron variant had a higher affinity than the reference. Moreover, all-atom molecular dynamics simulations concluded that the RBD of the Omicron variant exhibits a more dispersed interaction network since mutations resulted in an increased number of hydrophobic interactions and hydrogen bonds with hACE2." @default.
• W4226162365 created "2022-05-05" @default.
• W4226162365 creator A5004985863 @default.
• W4226162365 creator A5050088878 @default.
• W4226162365 creator A5057609376 @default.
• W4226162365 date "2022-04-21" @default.
• W4226162365 modified "2023-10-16" @default.
• W4226162365 title "An in-silico study of the mutation-associated effects on the spike protein of SARS-CoV-2, Omicron variant" @default.
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• W4226162365 doi "https://doi.org/10.1371/journal.pone.0266844" @default.
• W4226162365 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/35446879" @default.
• W4226162365 hasPublicationYear "2022" @default.
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