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. 2011 Jun 17;6(6):e20484. doi: 10.1371/journal.pone.0020484

Figure 1. RNApasta arc diagram showing the ancestral state of each stem.

Figure 1

RNA secondary structure diagram labeled with RNApasta annotation showing the ancestral state of each stem in terms of presence/absence of it, for A) Vertebrate telomerase RNA B) Ciliate telomerase RNA; the black and red of the each stem indicates the presence and absence, respectively. A crossing pattern of arcs indicates a pseudoknot. Each alphabet in the figure represents an RNA stem (RNApasta notation). [also see supplement figure S3 for other RNA families].