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• W2895701063 endingPage "130" @default.
• W2895701063 startingPage "120" @default.
• W2895701063 abstract "In this research, using a combination of quantum mechanics and molecular dynamic (MD) simulations, the interaction of safranal (2,6,6-trimethylcyclohexa-1,3-dien-1-carboxaldehyde) as an anti-cancer drug and Dickerson B-DNA was studied. MD simulations were executed for 35 ns in water. Binding energy analysis in three definite parts of the B-DNA and comparison between different contributions of the binding energy shows that the van der Waals energy part of the interaction is impressive among the standard molecular mechanic energy terms. On the basis of Gibbs energies, it is confirmed that the most important interactions in the safranal complex are related to the A–T and C–G rich regions, which is in agreement with the experimental data. Quantum theory of atoms in molecules and natural bond orbital analyses were applied. A diminution in the electronic chemical potential of the safranal–DNA complex in comparison with the isolated DNA, 0.026 and 0.022 au for the S1 region and 0.012 and 0.017 au for the S2 region, was obtained in the gas phase and water, respectively, which increases the complex stability. An enhancement in the electrophilicity character, during the complexation process, shows the electron charge flux between the safranal and DNA, especially in water. The strengths of the CH⋯O bonds at the center of safranal–DNA interaction were also evaluated. A mean value of 0.06 au for the electron density of the bond critical point of the H⋯O in the complex confirms the H-bond formation during the complexation." @default.
• W2895701063 created "2018-10-12" @default.
• W2895701063 creator A5021936655 @default.
• W2895701063 creator A5038382890 @default.
• W2895701063 creator A5054755615 @default.
• W2895701063 date "2019-02-01" @default.
• W2895701063 modified "2023-10-18" @default.
• W2895701063 title "Drug–DNA interaction, a joint DFT-D3/MD study on safranal as an anticancer and DNA nanostructure model" @default.
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• W2895701063 doi "https://doi.org/10.1139/cjc-2018-0126" @default.
• W2895701063 hasPublicationYear "2019" @default.
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