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BMCBI
2010

Predicting protein-protein interactions in unbalanced data using the primary structure of proteins

9 years 6 months ago
Predicting protein-protein interactions in unbalanced data using the primary structure of proteins
Background: Elucidating protein-protein interactions (PPIs) is essential to constructing protein interaction networks and facilitating our understanding of the general principles of biological systems. Previous studies have revealed that interacting protein pairs can be predicted by their primary structure. Most of these approaches have achieved satisfactory performance on datasets comprising equal number of interacting and non-interacting protein pairs. However, this ratio is highly unbalanced in nature, and these techniques have not been comprehensively evaluated with respect to the effect of the large number of non-interacting pairs in realistic datasets. Moreover, since highly unbalanced distributions usually lead to large datasets, more efficient predictors are desired when handling such challenging tasks. Results: This study presents a method for PPI prediction based only on sequence information, which contributes in three aspects. First, we propose a probability-based mechanism...
Chi-Yuan Yu, Lih-Ching Chou, Darby Tien-Hao Chang
Added 12 May 2011
Updated 12 May 2011
Type Journal
Year 2010
Where BMCBI
Authors Chi-Yuan Yu, Lih-Ching Chou, Darby Tien-Hao Chang
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