Abstract
β-secretase 1 (BACE1) is an enzyme that is involved in generating beta-amyloid peptides and is believed to have a significant role in the development of Alzheimer’s disease (AD). Therefore, BACE1 has gained attention as a potential therapeutic target for treating AD. Modern drug discovery studies are being conducted to identify potential inhibitors of BACE1, with the goal of reducing the production of beta-amyloid peptides and, thus, slowing the progression of AD. Here, we used a multistep virtual screening methodology to identify phytoconstituents from the IMPPAT library that could inhibit the activity of BACE1. Molecular docking was employed to select initial hits based on their binding affinity toward BACE1. Screening for PAINS patterns, ADMET and PASS properties, was then used to identify potential molecules for BACE1 inhibition. In the end, we discovered two natural compounds, Peiminine and 27-Deoxywithaferin A, which demonstrated a strong affinity, effectiveness, and specific interactions for the BACE1-active site. The elucidated molecules also displayed drug likeliness. A 200 ns molecular dynamics (MD) simulation was conducted to investigate the interaction mechanism, complex stability, and conformational dynamics of BACE1 with Peiminine and 27-Deoxywithaferin A. The MD simulations demonstrated that BACE1 was stable during the simulation with Peiminine and 27-Deoxywithaferin A. Overall, the results suggested that Peiminine and 27-Deoxywithaferin A hold significant potential as scaffolds in drug development efforts targeting BACE1 for the purpose of treating AD.
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21 March 2024
A Correction to this paper has been published: https://doi.org/10.1007/s11030-023-10804-6
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Acknowledgements
The authors are thankful to the Deanship of Scientific Research, King Khalid University, Abha, Saudi Arabia, for financially supporting this work through the Large Research Group Program under grant number (RGP.2/14/1444). M.A. is thankful to the Deanship of Scientific Research at Shaqra University. The authors are also grateful to Ajman University, UAE for providing all the necessary facilities.
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Funding was provided by King Khalid University (Grant No. RGP.2/137/1443).
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MA: Conceptualization, writing—review and editing, Investigation; Funding acquisition; WAA: Writing—review and editing; Funding acquisition; FAA: Editing, Data curation; MS: Funding acquisition, Data validation, methodology; AS: Visualization, software, Writing—review and editing; Data curation, Methodology, Resources, formal analysis, Project Administration; AA: Conceptualization, Data Curation, Data validation, Resources, Visualization, software, Writing—review and editing; Funding acquisition.
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Alrouji, M., Alhumaydhi, F.A., Al Abdulmonem, W. et al. Identifying β-secretase 1 (BACE1) inhibitors from plant-based compounds: an approach targeting Alzheimer’s therapeutics employing molecular docking and dynamics simulation. Mol Divers (2023). https://doi.org/10.1007/s11030-023-10726-3
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DOI: https://doi.org/10.1007/s11030-023-10726-3