Ions are illustrated. (A) Secondary structures of three typical RNAs (miRNA , SAM riboswitch, tRNA). (B) Stem-loop-contact graphs of the three typical RNAs. (C) Stem-contact graphs of the three typical RNAs. (D) Loop-contact graphs of the three typical RNAs.<p><b>Copyright information:</b></p><p>Taken from "A novel representation of RNA secondary structure based on element-contact graphs"</p><p>http://www.biomedcentral.com/1471-2105/9/188</p><p>BMC Bioinformatics 2008;9():188-188.</p><p>Published online 11 Apr 2008</p><p>PMCID:PMC2373570.</p><p></p
