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. 2009 Oct 22;26(1):1–5. doi: 10.1093/bioinformatics/btp609

Fig. 1.

Fig. 1.

(A) Secondary structure of Prochlorococcus MED4 Yfr1, as predicted by RNAfold (Hofacker et al., 1994). The ultraconserved region is set in bold. The arrow indicates the introduced mutation M2 (dark grey). (B) Secondary structure resulting from mutation M1 (substituted positions highlighted in light grey).