Abstract
QSAR models supervised by Multiple linear regressions (MLR) and Gaussian kernel support vector machines were developed to predict β2 potency for Sibenadet (Viozan™) and its derivatives along with established LABAs (Formeterol, Salmetrol) and ultra LABA Indacaterol. MLR aided linear QSAR models identified four molecular descriptors MATS6e, GATS5e, Mor17p, R7m+ related to β2 potency while descriptors like R5p+, Lop, Belp4, RDF075m were deduced in prediction of β2 potency in non-linear SVM models. Although, statistical fitness was observed with Gaussian Kernel function SVM models in potency prediction, MLR models proved to be more consistent in predictions. Further MLR and SVM models were statistically validated by internal validation methods like R2CV, RSS and MSS etc. Mechanistic study on linear QSAR models revealed regulative role of atomic autocorrelated electronegativities and polarizabilities in influencing β2 potency.
Keywords: Ultra long acting β2 agonists (uLABA), multiple linear regressions (MLR), support vector machine (SVM), linear and non-linear QSAR models.
Current Bioinformatics
Title:Regulative Role of Atomic Auto Correlated Electronegativities and Polarizabilities in β2 Potency of Ultralong Acting Agonists Identified in QSAR Studies
Volume: 10 Issue: 5
Author(s): Srinivas Bandaru, Vinod Cingeetham, Uday Raj Akare, Deeksha Yadav, Nihit Aggarwal, Venkata Ravi Gutlapalli, Anuraj Nayarisseri and Mukesh Yadav
Affiliation:
Keywords: Ultra long acting β2 agonists (uLABA), multiple linear regressions (MLR), support vector machine (SVM), linear and non-linear QSAR models.
Abstract: QSAR models supervised by Multiple linear regressions (MLR) and Gaussian kernel support vector machines were developed to predict β2 potency for Sibenadet (Viozan™) and its derivatives along with established LABAs (Formeterol, Salmetrol) and ultra LABA Indacaterol. MLR aided linear QSAR models identified four molecular descriptors MATS6e, GATS5e, Mor17p, R7m+ related to β2 potency while descriptors like R5p+, Lop, Belp4, RDF075m were deduced in prediction of β2 potency in non-linear SVM models. Although, statistical fitness was observed with Gaussian Kernel function SVM models in potency prediction, MLR models proved to be more consistent in predictions. Further MLR and SVM models were statistically validated by internal validation methods like R2CV, RSS and MSS etc. Mechanistic study on linear QSAR models revealed regulative role of atomic autocorrelated electronegativities and polarizabilities in influencing β2 potency.
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Bandaru Srinivas, Cingeetham Vinod, Raj Akare Uday, Yadav Deeksha, Aggarwal Nihit, Ravi Gutlapalli Venkata, Nayarisseri Anuraj and Yadav Mukesh, Regulative Role of Atomic Auto Correlated Electronegativities and Polarizabilities in β2 Potency of Ultralong Acting Agonists Identified in QSAR Studies, Current Bioinformatics 2015; 10 (5) . https://dx.doi.org/10.2174/1574893610666151007215927
DOI https://dx.doi.org/10.2174/1574893610666151007215927 |
Print ISSN 1574-8936 |
Publisher Name Bentham Science Publisher |
Online ISSN 2212-392X |
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