Abstract
Using a support vector machine (SVM), two computational models were built to predict whether a compound is an active or weakly active strand transfer (ST) inhibitor based on a dataset of 1257 ST inhibitors of HIV-1 integrase. The model built with MACCS fingerprints gave a prediction accuracy of 91.82% and a Matthews Correlation Coeffiient (MCC) of 0.73 on test set, and the model built with 40 MOE descriptors gave a prediction accuracy of 93.64% and an MCC of 0.79 on test set. Some molecular properties such as electrostatic properties, van der Waals surface area, hydrogen bond properties and the number of fluorine atoms are important factors influencing the interactions between the inhibitor and the integrase. Some scaffolds like β-diketo acid and its derivatives, naphthyridine carboxamide or the isosteric of it and pyrimidionones may play crucial rule to the activity of the HIV-1 integrase inhibitors.
Keywords: Classification model, HIV-1 integrase ST inhibitors (HIV INSTI), Kohonen’s self-organizing map (SOM), MACCS fingerprints, MOE descriptors, support vector machine (SVM).
Combinatorial Chemistry & High Throughput Screening
Title:Classification of Active and Weakly Active ST Inhibitors of HIV-1 Integrase Using a Support Vector Machine
Volume: 15 Issue: 10
Author(s): Aixia Yan, Shouyi Xuan and Xiaoying Hu
Affiliation:
Keywords: Classification model, HIV-1 integrase ST inhibitors (HIV INSTI), Kohonen’s self-organizing map (SOM), MACCS fingerprints, MOE descriptors, support vector machine (SVM).
Abstract: Using a support vector machine (SVM), two computational models were built to predict whether a compound is an active or weakly active strand transfer (ST) inhibitor based on a dataset of 1257 ST inhibitors of HIV-1 integrase. The model built with MACCS fingerprints gave a prediction accuracy of 91.82% and a Matthews Correlation Coeffiient (MCC) of 0.73 on test set, and the model built with 40 MOE descriptors gave a prediction accuracy of 93.64% and an MCC of 0.79 on test set. Some molecular properties such as electrostatic properties, van der Waals surface area, hydrogen bond properties and the number of fluorine atoms are important factors influencing the interactions between the inhibitor and the integrase. Some scaffolds like β-diketo acid and its derivatives, naphthyridine carboxamide or the isosteric of it and pyrimidionones may play crucial rule to the activity of the HIV-1 integrase inhibitors.
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Cite this article as:
Yan Aixia, Xuan Shouyi and Hu Xiaoying, Classification of Active and Weakly Active ST Inhibitors of HIV-1 Integrase Using a Support Vector Machine, Combinatorial Chemistry & High Throughput Screening 2012; 15 (10) . https://dx.doi.org/10.2174/138620712803901108
DOI https://dx.doi.org/10.2174/138620712803901108 |
Print ISSN 1386-2073 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-5402 |
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