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PLoS One. 2013 Aug 5;8(8):e70166. doi: 10.1371/journal.pone.0070166. Print 2013.

Analysis and prediction of highly effective antiviral peptides based on random forests.

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  • 1Department of Computer Science and Engineering, National Taiwan Ocean University, Keelung, Taiwan.


The goal of this study was to examine and predict antiviral peptides. Although antiviral peptides hold great potential in antiviral drug discovery, little is done in antiviral peptide prediction. In this study, we demonstrate that a physicochemical model using random forests outperform in distinguishing antiviral peptides. On the experimental benchmark, our physicochemical model aided with aggregation and secondary structural features reaches 90% accuracy and 0.79 Matthew's correlation coefficient, which exceeds the previous models. The results suggest that aggregation could be an important feature for identifying antiviral peptides. In addition, our analysis reveals the characteristics of the antiviral peptides such as the importance of lysine and the abundance of α-helical secondary structures.

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