Abstract
Study of interactions between drugs and target proteins is an essential step in genomic drug discovery. It is very hard to determine the compound-protein interactions or drug-target interactions by experiment alone. As supplementary, effective prediction model using machine learning or data mining methods can provide much help. In this study, a prediction method based on Nearest Neighbor Algorithm and a novel metric, which was obtained by combining compound similarity and functional domain composition, was proposed. The target proteins were divided into the following groups: enzymes, ion channels, G protein-coupled receptors, and nuclear receptors. As a result, four predictors with the optimal parameters were established. The overall prediction accuracies, evaluated by jackknife cross-validation test, for four groups of target proteins are 90.23%, 94.74%, 97.80%, and 97.51%, respectively, indicating that compound similarity and functional domain composition are very effective to predict drug-target interaction networks.
Keywords: Compound similarity, drug-target interaction network, functional domain composition, jackknife cross-validation test, Matthew's correlation coefficient, nearest neighbor algorithm, SMILES, MACC, SBASE-A
Medicinal Chemistry
Title: Using Compound Similarity and Functional Domain Composition for Prediction of Drug-Target Interaction Networks
Volume: 6 Issue: 6
Author(s): Lei Chen, Zhi-Song He, Tao Huang and Yu-Dong Cai
Affiliation:
Keywords: Compound similarity, drug-target interaction network, functional domain composition, jackknife cross-validation test, Matthew's correlation coefficient, nearest neighbor algorithm, SMILES, MACC, SBASE-A
Abstract: Study of interactions between drugs and target proteins is an essential step in genomic drug discovery. It is very hard to determine the compound-protein interactions or drug-target interactions by experiment alone. As supplementary, effective prediction model using machine learning or data mining methods can provide much help. In this study, a prediction method based on Nearest Neighbor Algorithm and a novel metric, which was obtained by combining compound similarity and functional domain composition, was proposed. The target proteins were divided into the following groups: enzymes, ion channels, G protein-coupled receptors, and nuclear receptors. As a result, four predictors with the optimal parameters were established. The overall prediction accuracies, evaluated by jackknife cross-validation test, for four groups of target proteins are 90.23%, 94.74%, 97.80%, and 97.51%, respectively, indicating that compound similarity and functional domain composition are very effective to predict drug-target interaction networks.
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Cite this article as:
Chen Lei, He Zhi-Song, Huang Tao and Cai Yu-Dong, Using Compound Similarity and Functional Domain Composition for Prediction of Drug-Target Interaction Networks, Medicinal Chemistry 2010; 6 (6) . https://dx.doi.org/10.2174/157340610793563983
DOI https://dx.doi.org/10.2174/157340610793563983 |
Print ISSN 1573-4064 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-6638 |
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