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Protein secondary structure prediction using rule induction from coverings

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4 Author(s)
Leong Lee ; Dept. of Comput. Sci., Missouri Univ. of Sci. & Technol., Rolla, MO ; Leopold, J.L. ; Frank, R.L. ; Maglia, A.M.

With the increase of data from genome sequencing projects comes the need for reliable and efficient methods for the analysis and classification of protein motifs and domains. Experimental methods currently used to determine protein structure are accurate, yet expensive both in terms of time and equipment. Therefore, various computational approaches to solving the problem have been attempted, although their accuracy has rarely exceeded 75%. In this paper, a rule-based method to predict protein secondary structure is presented. This method uses a newly developed data-mining algorithm called RT-RICO (Relaxed Threshold Rule Induction from Coverings), which identifies dependencies between amino acids in a protein sequence, and generates rules that can be used to predict secondary structures. The average prediction accuracy on sample data sets, or Q3 score, using RT-RICO was 80.3%, an improvement over comparable computational methods.

Published in:

Computational Intelligence in Bioinformatics and Computational Biology, 2009. CIBCB '09. IEEE Symposium on

Date of Conference:

March 30 2009-April 2 2009