ISSN: 1875-628X (Online)
ISSN: 1570-1808 (Print)
Volume 12, 10 Issues, 2015
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Analysis of Proteasome Inhibition Prediction Using Atom-Based Quadratic Indices Enhanced by Machine Learning Classification Techniques
Letters in Drug Design & Discovery, 11
): 705-711.Author(s): Gerardo M. Casanola-Martin
, Huong Le-Thi-Thu
, Yovani Marrero-Ponce
, Juan A Castillo- Garit
, Francisco Torrens
, Facundo Perez-Gimenez
and Concepcion Abad
Departament de Bioquímica i Biologia Molecular, Universitat de València, E-46100 Burjassot, Spain.
AbstractIn this work the use of 2D atom-based quadratic indices is shown in the prediction of proteasome inhibition. Machine learning approaches such as support vector machine, artificial neural network, random forest and k-nearest neighbor were used as main techniques to carry out two quantitative structure-activity relationship (QSAR) studies. First, a database consisting of active and non-active classes was predicted with model performances above 85% and 80% in learning and test series, respectively. Second a regression-based model was developed which allow to estimate the EC50 with Q2 values of 52.89 and 50.19, in training and prediction sets, respectively, were developed. These results provided new approaches on proteasome inhibitor identification encouraged by virtual screenings procedures.
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