PSTAG
Pair Stochastic Tree Adjoining Grammars
PSTAG (Pair Stochastic Tree Adjoining Grammars) for RNA sequences including pseudoknotted structures.
References
Matsui, H., Sato, K. and Sakakibara, Y.: Pair stcochastic tree adjoining grammars for aligning and predicting pseudoknot RNA structures. Bioinformatics, 2005, 21, 2611-2617 [pubmed]