Table 1. Cross-evaluation data sets.
| Structure | Length | Pairing | Fraction not pairing | |
|---|---|---|---|---|
| HCV 1a set | HCV 1a & 1b set | |||
| 1 | 99 | 50 | 0.01 | 0.007 |
| 2 | 87 | 50 | 0.02 | 0.163 |
| 3 | 62 | 40 | 0.0 | 0.234 |
| 4 | 52 | 28 | 0.0 | 0.06 |
| 5 | 42 | 26 | 0.019 | 0.002 |
| All | 342 | 194 | 0.01 | 0.101 |
| polio | ||||
| CRE | 110 | 42 | 0.075 |
Total sequence length in nucleotides for each structural region, number of nucleotides which are known to be base-pairing and fraction of these that do not form a consensus base pair within the alignment (the six consensus base pairs are G–C, C–G, A–U, U–A, U–G and G–U).