蛋白质—小分子相互作用模型的构建

doi:10.11772/j.issn.1001-9081.2014.07.2129

计算机应用 ›› 2014, Vol. 34 ›› Issue (7): 2129-2131.DOI: 10.11772/j.issn.1001-9081.2014.07.2129

蛋白质—小分子相互作用模型的构建

李怀松,袁琴,王才华,刘娟

武汉大学计算机学院,武汉 430072

收稿日期:2013-12-23 修回日期:2014-02-20 出版日期:2014-07-01 发布日期:2014-08-01
通讯作者: 李怀松
作者简介:李怀松(1989-)，男，湖北荆州人，硕士研究生，主要研究方向：生物信息、机器学习；袁琴(1991-)，女，湖北荆州人，硕士研究生，主要研究方向：生物信息、机器学习；王才华(1987-)，男，湖北咸宁人，博士研究生，主要研究方向：生物信息、机器学习、数据挖掘；刘娟(1970-)，女，湖北武汉人，教授，博士生导师，博士，主要研究方向：生物信息处理、数据挖掘、机器学习、智能计算。
基金资助:
国家自然科学基金资助项目

Construction of protein-compound interactions model

LI Huaisong,YUAN Qin,WANG Caihua,LIU Juan

School of Computer, Wuhan University, Wuhan Hubei 430072, China

Received:2013-12-23 Revised:2014-02-20 Online:2014-07-01 Published:2014-08-01
Contact: LI Huaisong

摘要/Abstract

摘要：

构建可解释和可大规模计算的蛋白质—小分子相互作用模型是一个重要的课题。提出一种新的蛋白质—小分子相互作用模型：首先分别用氨基酸三聚物集群和化合物结构片段来描述蛋白质和小分子;然后将蛋白质和小分子片段作为二部图的两部分，片段间的相互作用强度作为二部图的边;最后蛋白质和小分子的相互作用则是蛋白质片段和小分子片段之间相互作用的叠加。实验结果表明，该模型预测的准确率达到97%且具有很好的解释性。

Abstract:

Building an interpretable and large-scale protein-compound interactions model is an very important subject. A new chemical interpretable model to cover the protein-compound interactions was proposed. The core idea of the model is based on the hypothesis that a protein-compound interaction can be decomposed as protein fragments and compound fragments interactions, so composing the fragments interactions brings about a protein-compound interaction. Firstly, amino acid oligomer clusters and compound substructures were applied to describe protein and compound respectively. And then the protein fragments and the compound fragments were viewed as the two parts of a bipartite graph, fragments interactions as the edges. Based on the hypothesis, the protein-compound interaction is determined by the summation of protein fragments and compound fragments interactions. The experiment demonstrates that the model prediction accuracy achieves 97% and has the very good explanatory.

中图分类号:

TP399

李怀松袁琴王才华刘娟. 蛋白质—小分子相互作用模型的构建[J]. 计算机应用, 2014, 34(7): 2129-2131.

LI Huaisong YUAN Qin WANG Caihua LIU Juan. Construction of protein-compound interactions model[J]. Journal of Computer Applications, 2014, 34(7): 2129-2131.

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蛋白质—小分子相互作用模型的构建

Construction of protein-compound interactions model

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