Bayesian network multi-classifiers for protein secondary structure prediction
Artificial Intelligence in Medicine
A sampling approach for protein backbone fragment conformations
International Journal of Data Mining and Bioinformatics
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Methods for 3-class secondary-structure prediction are thoughtto be reaching the highest achievable accuracy. Their accuracy onβ-sheet residue class is considerably lower than for the othertwo classes. We analysed the relevance of 315 individual inputattributes for a predictor with the usual framework of usingsequence-profile based data with an input window of fixed size. Wepropose two alternative knowledge representations withsignificantly smaller sets of input attributes. We alsoinvestigated the possibility of exploiting the prediction ofconnected pairs of β-sheet residues and the prediction ofresidue contact maps for the improvement of accuracy ofsecondary-structure prediction.