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. 1998 Nov 24;95(24):14051–14056. doi: 10.1073/pnas.95.24.14051

Figure 2.

Figure 2

Secondary structures of aptamers 3 and 14. The sequences of the aptamers were entered into the mfold program (66) to determine the RNA secondary structure at 25°C. (A) The predicted secondary structures of RNA aptamer 14, which is representative for class I. The variable region is in uppercase letters, and the shared sequence motif is in boldface. (B) The secondary structure of class II aptamer 3 that does not contain the consensus sequence found in class I aptamers. The variable region is in uppercase letters.