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  • Title: Novel natural inhibitors targeting KRAS G12C by computational study.
    Author: Jiang Y, Chen W, Wang X, Zhou B, Xie H, Hou Y, Guo Z, Yu B, Zhong S, Su X.
    Journal: Anticancer Drugs; 2022 Oct 01; 33(9):779-788. PubMed ID: 35980001.
    Abstract:
    Ideal leading and nominee compounds with inhibiting effects on KRAS G12C were selected from the ZINC database, laying a cornerstone for the progress of anticancer drugs. A variety of computational virtual screening methods were utilized to screen possible inhibitors of KRAS G12C. LibDock was utilized to estimate 17 930 compounds and the top 20 were nominated for additional study, which was absorption, distribution, metabolism, and excretion and harmfulness prediction. Molecule docking was employed to prove the binding connection between certain ligands and KRAS G12C. Natural novel compounds ZINC000012494057 and ZINC000003789195 were selected to bind stably with KRAS G12C. In addition, they had lower scores in Ames mutagenicity, rodent carcinogenicity, cytochrome P450 2D6(CYP2D6) tolerance, and non-developmental toxicity potential. Molecular dynamic simulations demonstrate that the combination of ZINC000012494057 and ZINC000003789195 with KRAS G12C has more favorable potential energy, which provides conditions for their stable existence in the natural environment. Natural compounds ZINC000012494057 and ZINC000003789195 were identified as KRAS G12C potential inhibitors. These two compounds have been verified to have enormous importance for the progress of anticancer medicines.
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