Copyright (c) 2015 AJC
This work is licensed under a Creative Commons Attribution 4.0 International License.
Molecular Mechanism of MDM2 with Novel Small Inhibitor Recognition Explored by Molecular Dynamics Simulation and Free Energy Analysis
Corresponding Author(s) : Hui Li
Asian Journal of Chemistry,
Vol. 27 No. 5 (2015): Vol 27 Issue 5
Abstract
P53 is a powerful anti-tumoral molecule which is frequently inactivated by its major negative regulator, MDM2. Inhibition of p52-MDM2 interaction is increasingly gaining interest in cancer therapy and drug design. Molecular docking coupled with molecular dynamics and molecular mechanics generalized. Born surface area (MM-GBSA) method was performed to investigate the binding mechanisms of compound 9c to MDM2. These results show that the van der Waals energy is the largest component of the binding free energy for the MDM2-9c complex, which is consistent with the experimental results. In addition, analysis of individual reside contribution and protein-ligand binding mode show that there are more space and opportunity for derivatization at the C-2 and C-3 position, respectively. It is expected the results obtained from this study will be valuable for future rational design of novel and potent MDM2 inhibitors targeting the p53-MDM2 interaction.
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