ExpaRNA is a fast, motif-based comparison and alignment tool for RNA molecules. Instead of computing a full sequence-structure alignment, it computes the best arrangement of sequence-structure motifs common to two RNAs. A motif is a local (or isolated) substructure which is identical to both RNAs.
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Freiburg RNA Tools: a web server integrating IntaRNA, ExpaRNA and LocARNA
Cameron Smith, Steffen Heyne, Andreas S. Richter, Sebastian Will, Rolf Backofen
In: Nucleic Acids Research, 2010, 38 Suppl, W373-7