首页> 外文期刊>European Journal of Medicinal Chemistry: Chimie Therapeutique >Quantitative structure activity relationship studies of aryl heterocycle-based thrombin inhibitors.
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Quantitative structure activity relationship studies of aryl heterocycle-based thrombin inhibitors.

机译:基于芳基杂环的凝血酶抑制剂的定量结构活性关系研究。

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摘要

A quantitative structure activity relationship (QSAR) analysis has been performed on a data set of 42 aryl heterocycle-based thrombin inhibitors. Several types of descriptors including topological, spatial, thermodynamic, information content and E-state indices were used to derive a quantitative relationship between the anti thrombin activity and structural properties. Genetic algorithm based genetic function approximation method of variable selection was used to generate the model. Best model was developed when number of descriptors in the equation was set to five. Highly statistically significant model was obtained with atom type logP descriptors, logP and Shadow_YZ. The model is not only able to predict the activity of new compounds but also explained the important regions in the molecules in a quantitative manner.
机译:已对42种基于芳基杂环的凝血酶抑制剂的数据集进行了定量结构活性关系(QSAR)分析。几种类型的描述符(包括拓扑,空间,热力学,信息含量和E状态指数)用于得出抗凝血酶活性与结构特性之间的定量关系。使用基于遗传算法的变量选择遗传函数逼近方法生成模型。当方程中的描述符数量设为5时,将开发出最佳模型。使用原子类型logP描述符logP和Shadow_YZ获得了具有高度统计意义的模型。该模型不仅能够预测新化合物的活性,而且可以定量地解释分子中的重要区域。

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