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- W2019647440 abstract "Inhibition of the MDM2–p53 interaction is considered to be a new therapeutic strategy to activate wild-type p53 in tumors. Molecular dynamics (MD) simulations followed by molecular mechanics generalized Born surface area (MM-GBSA) analyses were used to study the inhibitory mechanisms of four small molecule inhibitors, K23, YIN, DIZ and IMZ on the p53–MDM2 interaction. We found excellent agreement between the rank of the calculated absolute binding free energies using the MM-GBSA method and the experimentally determined rank. The results show that van der Waals energy is the dominant factor for the binding of the four inhibitors. Statistical analyses of the hydrophobic contacts between the inhibitors and MDM2 were performed, and the results suggested that these inhibitors form stable hydrophobic interactions with six residues of MDM2: Leu54, Gly58, Ile61, Met62, Val93 and His96. Calculations of the detailed van der Waals interactions between non-peptide inhibitors and individual protein residues can provide insights into the inhibitor-protein binding mechanism. Our studies suggest that the CH–π and π–π interactions between the four inhibitors and protein residues drive binding of the inhibitors in the hydrophobic cleft of MDM2." @default.
- W2019647440 created "2016-06-24" @default.
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- W2019647440 date "2011-09-01" @default.
- W2019647440 modified "2023-10-11" @default.
- W2019647440 title "Insight into mechanism of small molecule inhibitors of the MDM2–p53 interaction: Molecular dynamics simulation and free energy analysis" @default.
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- W2019647440 doi "https://doi.org/10.1016/j.jmgm.2011.06.003" @default.
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