Identify 2'-O-methylation site by investigating multi feature extracting techniques.
2020
BACKGROUND: RNA methylation is a reversible post-transcriptional modification involving numerous biological processes. Ribose 2'-O-methylation is part of RNA methylation. It has shown that ribose 2'- O-methylation plays an important role in immune recognition and other pathogenesis. OBJECTIVE: We aim to design a computational method to identify2'-O-methylation. METHOD: Different from the experimental method, we propose a computational workflow identifying the methylation site based on the multi-feature extracting algorithm. RESULTS: With a voting procedure based on 7 best feature-classifier combinations, we achieved AUC of 0.80 in 10-fold cross-validation. Furthermore, we optimized features and input the optimized features into SVM. As a results, the AUC reached to 0.813. CONCLUSION: The RNA sample, especially the negative samples, used in this study are more objective and strict, so we got more representative result than state-of-arts studies.
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