Computer-Aided Discovery of Pentapeptide AEYTR as a Potent Acetylcholinesterase Inhibitor

Enade Perdana Istyastono; Vivitri Dewi Prasasty

doi:10.22146/ijc.55447

Computer-Aided Discovery of Pentapeptide AEYTR as a Potent Acetylcholinesterase Inhibitor

https://doi.org/10.22146/ijc.55447

Enade Perdana Istyastono^(1*), Vivitri Dewi Prasasty⁽²⁾

(1) Faculty of Pharmacy, Sanata Dharma University, Paingan, Maguwoharjo, Depok, Sleman, Yogyakarta 55282, Indonesia
(2) Faculty of Biotechnology, Atma Jaya Catholic University of Indonesia, Jakarta 12930, Indonesia
(*) Corresponding Author

Abstract

One of the key targets in the drug development for potential Alzheimer’s disease (AD) therapeutics is the search for acetylcholinesterase enzyme (AChE) inhibitors. Very recently, a pentapeptide AEYTR was reported as a potential inhibitor for AChE. The peptide was identified in a retrospectively validated virtual screening campaign, which was subsequently followed by 10 ns molecular dynamics (MD) simulations. The study aimed to characterize the structure and identify in vitro of AEYTR peptide as a potent acetylcholinesterase inhibitor. This article presents the structure characterization and the in vitro examination of the peptide as an AChE inhibitor, followed by MD simulations for 100 ns. The results show that the pentapeptide is a potent AChE inhibitor with an IC₅₀ value in the picomolar range and stabilizes the enzyme during MD simulations.

Keywords

acetylcholinesterase; short peptide; computer-aided discovery

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DOI: https://doi.org/10.22146/ijc.55447