Abstract
Although reactive oxygen species are best known as damaging agents linked to aerobic metabolism, it is now clear that they can also function as messengers in cellular signalling processes. Methionine, one of the two sulphur containing amino acids in proteins, is liable to be oxidized by a well-known reactive oxygen species: hydrogen peroxide. The awareness that methionine oxidation may provide a mechanism to the modulation of a wide range of protein functions and cellular processes has recently encouraged proteomic approaches. However, these experimental studies are considerably time-consuming, labor-intensive and expensive, thus making the development of in silico methods for predicting methionine oxidation sites highly desirable. In the field of protein phosphorylation, computational prediction of phosphorylation sites has emerged as a popular alternative approach. On the other hand, very few in-silico studies for methionine oxidation prediction exist in the literature. In the current study we have addressed this issue by developing predictive models based on machine learning strategies and models—random forests, support vector machines, neural networks and flexible discriminant analysis—, aimed at accurate prediction of methionine oxidation sites.
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This work was partially supported by the Universidad de Málaga and project TIN2014-58516-C2-1-R, MICINN, Plan Nacional de I+D+I.
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Veredas, F.J., Cantón, F.R., Aledo, J.C. (2017). Prediction of Protein Oxidation Sites. In: Rojas, I., Joya, G., Catala, A. (eds) Advances in Computational Intelligence. IWANN 2017. Lecture Notes in Computer Science(), vol 10306. Springer, Cham. https://doi.org/10.1007/978-3-319-59147-6_1
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