Table 1.

Mismatch and compensatory base pair mutations in VA RNA_I

^aCorrespond to boxed sites 1–6 on the VA RNA_I secondary structure (Figure 1).

^bMutated nucleotides are shown in outline typeface.

^cRNA names in parenthesis are those used in the main text and Figures 2, 4 and 5 to denote the RNA containing the shown mutations.