Value of Temporal Information When Analyzing Reaction Coordinates.
Value of Temporal Information When Analyzing Reaction Coordinates.
复制标题
分析反应坐标时时间信息的价值。
DOI:
10.1021/acs.jctc.0c00678
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发表时间:
2020-10-13
影响因子:
5.5
通讯作者:
Makarov DE
中科院分区:
文献类型:
--
作者:
Ma P;Elber R;Makarov DE
Reaction coordinates chart pathways from reactants to products of chemical reactions. Determination of reaction coordinates from ensembles of molecular trajectories has thus been the focus of many studies. A widely used and insightful choice of a reaction coordinate is the committor function, defined as the probability that a trajectory will reach the product before the reactant. Here, we consider alternatives to the committor function that add useful mechanistic information, the mean first passage time, and the exit time to the product. We further derive a simple relationship between the functions of the committor, the mean first passage time, and the exit time. We illustrate the diversity of mechanisms predicted by alternative reaction coordinates with several toy problems and with a simple model of protein searching for a specific DNA motif.
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