The Utility of the HSAB Principle via the Fukui Function in Biological Systems.

The Utility of the HSAB Principle via the Fukui Function in Biological Systems.
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通过 Fukui 函数在生物系统中应用 HSAB 原理。

DOI:
10.1021/ct9005085
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发表时间:
2010-02-09
影响因子:
5.5
通讯作者:
Merz, Kenneth M., Jr.
Merz, Kenneth M., Jr.
中科院分区:
化学1区
文献类型:
--
作者:
Faver, John;Merz, Kenneth M., Jr.

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硬/软酸碱原理长期以来被认为是化学反应性的极好预测器。福井函数是一种来自概念密度泛函理论的反应性描述子,它与系统的局部软度有关。福井功能的有用性进行了探讨和证明,在这里为三个常见的生物学问题:配体对接,活性位点检测,和蛋白质折叠。在每种类型的研究中,评分功能的基础上开发的本地HSAB原则使用原子福井指数。即使在大系统中使用必要的近似,福井函数仍然是预测化学反应性和理解化学系统的有用描述符。
The hard/soft acid-base principle has long been known to be an excellent predictor of chemical reactivity. The Fukui function, a reactivity descriptor from conceptual density functional theory, has been shown to be related to the local softness of a system. The usefulness of the Fukui function is explored and demonstrated herein for three common biological problems: ligand docking, active site detection, and protein folding. In each type of study, a scoring function is developed based on the local HSAB principle using atomic Fukui indices. Even with necessary approximations for its use in large systems, the Fukui function remains a useful descriptor for predicting chemical reactivity and understanding chemical systems.
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