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. Author manuscript; available in PMC: 2013 Nov 26.
Published in final edited form as: Angew Chem Int Ed Engl. 2012 Oct 24;51(48):12095–12098. doi: 10.1002/anie.201206000

Figure 1.

Figure 1

(a) Secondary structure of E. coli H69 and 2AP-H69 RNAs. (b) Fluorescence data for 2AP-ΨΨΨ and 2AP-UUU before (dashed) (pH 5.5 and 7.3) and after (solid) (pH 7.3) RNase A treatment. (c) Relative fluorescence intensities (normalized to RNase A data) at the emission maximum (370 nm) (1.5 μm RNA in 20 mm K+-cacodylate, 70 mm NH4Cl, and 30 mm KCl; FI is fluorescence intensity (arbitrary units), and Fr is relative fluorescence intensity).