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- W4377564324 abstract "To find efficient antioxidants to protect oxidation prone cysteine residues of the peptidase PITRM1 using molecular docking and simulation techniques. A total of 50 antioxidants were docked with PITRM1 at the oxidation prone region Cys89 and Cys96 using Autodock Vina software. The lowest socred compounds were predicted for its Blood brain barrier permeability using LightBBB. Molecular dynamic simulations of the PITRM1 and Ascorbic acid/Silymarin complex were performed using the GROMACS 2020.1 package and the free energy calculations were performed using gmx_MMPBSA. The RMSD, RMSF, Rg, Minimum distance and Hydrogen bonds were also evaluated. Silymarin, Ascorbic acid, Naringenin, Gallic acid, Chlorogenic acid, Rosmarinic acid, (-)-Epicatechin, Genistein showed a docking score of above –5.3 kcal/mol. Silymarin and Ascorbic acid were predicted to cross the Blood Brain Barrier. Molecular dynamic simulation and mmPBSA analysis revealed that Silymarin showed a positive free energy implying no affinity to PITRM1 and ascorbic acid has low ΔG with –13.13 kJ/mol. The stability of the ascorbic acid complex was high (RMSD: 0.160 ± 0.018 nm, Minimum Distance: 0.163 ± 0.001 nm and four hydrogen bonds) and fluctuation induced due to ascorbic acid was low. Ascorbic acid was found to effectively interact with the cysteine oxidation prone region and can have a potential role in reducing the oxidised cysteine in PITRM1 to modulate its peptidase activity." @default.
- W4377564324 created "2023-05-24" @default.
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- W4377564324 date "2023-05-23" @default.
- W4377564324 modified "2023-10-13" @default.
- W4377564324 title "In silico exploration of antioxidants as oxidation protectant for PITRM1 peptidase activity, an Alzheimer disease target" @default.
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- W4377564324 doi "https://doi.org/10.1002/jcb.30426" @default.
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