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Calculation of the electrostatic charges and energies for intercalation of aromatic drug molecules with DNA

机译:插入芳族药物分子与DNA的静电荷和能量的计算

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In this work, we analyzed the influence of the charge model on the magnitudes of atomic charges and electrostatic energies for the binding of aromatic drug molecules with DNA. The dependence of the charge and energy on the level of theory (HF, DFT (B3LYP), MP2, semi-empirical methods), basis set (STO-3G, 3-21G, 6-31G, 6-31G*, 6-31G**), method of charge computation (Mulliken, Natural Population Analysis, CHelpG, Merz-Kollman), and force field charge (CHARMM27, AMBER99) has been tracked for typical aromatic drugs of different structure and charge state. Recommendations and restrictions have been formulated for the use of particular approaches in charge/electrostatic energy calculations.
机译:在这项工作中,我们分析了电荷模型对芳香药物分子与DNA结合的原子电荷和静电能大小的影响。电荷和能量对理论水平(HF,DFT(B3LYP),MP2,半经验方法),基础集(STO-3G,3-21G,6-31G,6-31G *,6- 31G **),电荷计算方法(Mulliken,自然种群分析,CHelpG,Merz-Kollman)和力场电荷(CHARMM27,AMBER99)已针对不同结构和电荷状态的典型芳香药物进行了追踪。已针对在电荷/静电能量计算中使用特定方法制定了建议和限制。

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