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Identification of Peptide Inhibitors of Enveloped Viruses Using Support Vector Machine.


ABSTRACT: The peptides derived from envelope proteins have been shown to inhibit the protein-protein interactions in the virus membrane fusion process and thus have a great potential to be developed into effective antiviral therapies. There are three types of envelope proteins each exhibiting distinct structure folds. Although the exact fusion mechanism remains elusive, it was suggested that the three classes of viral fusion proteins share a similar mechanism of membrane fusion. The common mechanism of action makes it possible to correlate the properties of self-derived peptide inhibitors with their activities. Here we developed a support vector machine model using sequence-based statistical scores of self-derived peptide inhibitors as input features to correlate with their activities. The model displayed 92% prediction accuracy with the Matthew's correlation coefficient of 0.84, obviously superior to those using physicochemical properties and amino acid decomposition as input. The predictive support vector machine model for self- derived peptides of envelope proteins would be useful in development of antiviral peptide inhibitors targeting the virus fusion process.

SUBMITTER: Xu Y 

PROVIDER: S-EPMC4670226 | biostudies-literature | 2015

REPOSITORIES: biostudies-literature

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Identification of Peptide Inhibitors of Enveloped Viruses Using Support Vector Machine.

Xu Yongtao Y   Yu Shui S   Zou Jian-Wei JW   Hu Guixiang G   Rahman Noorsaadah A B D NA   Othman Rozana Binti RB   Tao Xia X   Huang Meilan M  

PloS one 20151204 11


The peptides derived from envelope proteins have been shown to inhibit the protein-protein interactions in the virus membrane fusion process and thus have a great potential to be developed into effective antiviral therapies. There are three types of envelope proteins each exhibiting distinct structure folds. Although the exact fusion mechanism remains elusive, it was suggested that the three classes of viral fusion proteins share a similar mechanism of membrane fusion. The common mechanism of ac  ...[more]

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