Struct-NB: predicting protein-RNA binding sites using structural features

  • Authors:
  • Fadi Towfic;Cornelia Caragea;David C. Gemperline;Drena Dobbs;Vasant Honavar

  • Affiliations:
  • Bioinformatics and Computational Biology Graduate Program, Iowa State University, Ames, IA 50011-1040, USA.;Department of Computer Science, Iowa State University, Ames, IA 50011-1040, USA.;Department of Biology, Department of Chemistry, Carthage College, 2001 Alford Park Drive, Kenosha, WI 53140-1994, USA.;Department of Genetics, Development and Cell Biology, Bioinformatics and Computational Biology Graduate Program, Iowa State University, Ames, IA 50011-1040, USA.;Department of Computer Science, Bioinformatics and Computational Biology Graduate Program, Iowa State University, Ames, IA 50011-1040, USA

  • Venue:
  • International Journal of Data Mining and Bioinformatics
  • Year:
  • 2010

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Abstract

We analyse sequence and structural features of protein-RNA interfaces using RB-147, a non-redundant dataset of protein-RNA complexes extracted from the PDB. We train classifiers using machine learning algorithms to predict protein-RNA interfaces from sequence and structure-derived features of proteins. Our experiments show that Struct-NB, a Naive Bayes classifier that exploits structural features, outperforms its counterparts that use only sequence features to predict protein-RNA binding residues.