Table 1.
Compilation of data from the covariation analysis
| Positions | Combinations of nucleotides (%) | Base-pairing (%) | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mismatchs | Waston-Crick bp | G/U:U/G Wobble | Waston-Crick bp | G/U:U/G Wobble | |||||||||||||||
| Waston-Crick bp | G/U:U/G Wobble | ||||||||||||||||||
| CC | GG | UU | AA | AC | AG | GA | UC | CU | CA | AU | UA | GC | CG | UG | GU | ||||
| (3–37) | 2 | 11 | 2 | 0 | 1 | 4 | 0 | 1 | 5 | 2 | 4 | 0 | 17 | 18 | 3 | 30 | 39 | 33 | |
| P1 stem | (4–36) | 2 | 15 | 2 | 0 | 0 | 2 | 11 | 0 | 3 | 3 | 1 | 0 | 9 | 29 | 3 | 20 | 39 | 23 |
| (5–35) | 2 | 2 | 1 | 0 | 3 | 1 | 0 | 3 | 0 | 0 | 3 | 2 | 29 | 35 | 1 | 18 | 69 | 19 | |
| (20–32) | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 80 | 10 | 5 | 0 | 0 | 3 | 95 | 3 | |
| P3 stem | (21–31) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 11 | 5 | 82 | 0 | 0 | 99 | 0 |
| (22–30) | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 18 | 21 | 56 | 1 | 0 | 98 | 1 | |
| Homopurine | (42–75) | 0 | 17 | 1 | 79 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Bottom of the P2 stem | (19–80) | 1 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 42 | 13 | 21 | 17 | 1 | 1 | 93 | 2 |
| (19–81) | 0 | 18 | 0 | 15 | 3 | 24 | 3 | 13 | 3 | 2 | 0 | 0 | 1 | 14 | 3 | 1 | 15 | 4 | |