Predicting Protein Secondary Structure Using Stochastic Tree Grammars
Machine Learning - Special issue on learning with probabilistic representations
On the approximation of protein threading
Theoretical Computer Science - Special issue: Genome informatics
Tree adjoining grammars for RNA structure prediction
Theoretical Computer Science - Special issue: Genome informatics
The Complexity of Some Problems on Subsequences and Supersequences
Journal of the ACM (JACM)
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Protein secondary structure prediction is one major task in bioinformatics and various methods in pattern recognition and machine learning have been applied. In particular, it is a challenge to predict β-sheet structures since they range over several discontinuous regions in an amino acid sequence. In this paper, we propose a dynamic programming algorithm for some kind of antiparallel β-sheet, where the proposed approach can be extended for more general classes of β-sheets. Experimental results for real data show that our prediction algorithm has good performance in accuracy. We also show a relation between the proposed algorithm and a grammar-based method. Furthermore, we prove that prediction of planar β-sheet structures is NP-hard.