From: Analysis of secondary structural elementsĀ in human microRNA hairpin precursors
Ā | 5āĀ Bulge | 3āĀ Bulge | Internal Loops | ||||||
---|---|---|---|---|---|---|---|---|---|
# | Unpaired | Count | Fractiona | Unpaired | Count | Fractiona | Unpaired | Count | Fractiona |
1 | U | 257 | 0.236 | A | 215 | 0.233 | G/G | 325 | 0.084 |
2 | A | 212 | 0.195 | U | 195 | 0.211 | A/C | 295 | 0.076 |
3 | C | 163 | 0.150 | C | 165 | 0.179 | C/A | 290 | 0.075 |
4 | G | 123 | 0.113 | G | 85 | 0.092 | U/U | 288 | 0.075 |
5 | CU | 20 | 0.018 | GA | 15 | 0.016 | U/C | 220 | 0.057 |
6 | UU | 18 | 0.017 | UU | 12 | 0.013 | C/U | 199 | 0.052 |
7 | UC | 16 | 0.015 | AU | 11 | 0.012 | A/A | 147 | 0.038 |
8 | UA | 13 | 0.012 | UC | 9 | 0.010 | C/C | 130 | 0.034 |
9 | GU | 12 | 0.011 | AA | 8 | 0.009 | G/A | 130 | 0.034 |
10 | AA | 11 | 0.010 | CC | 8 | 0.009 | A/G | 113 | 0.029 |
11 | CA | 11 | 0.010 | CA | 7 | 0.008 | UU/UU | 26 | 0.007 |
12 | CC | 11 | 0.010 | GU | 7 | 0.008 | CA/CA | 21 | 0.005 |
13 | GA | 11 | 0.010 | UA | 7 | 0.008 | GUUG/AA | 15 | 0.004 |
14 | AU | 10 | 0.009 | CU | 6 | 0.006 | A/GG | 14 | 0.004 |
15 | AC | 9 | 0.008 | AC | 5 | 0.005 | UU/U | 14 | 0.004 |
16 | AG | 7 | 0.006 | GC | 5 | 0.005 | U/CU | 13 | 0.003 |
17 | UG | 7 | 0.006 | GG | 5 | 0.005 | GA/A | 12 | 0.003 |
18 | GG | 4 | 0.004 | UG | 5 | 0.005 | AG/G | 11 | 0.003 |
19 | UCAACA | 4 | 0.004 | AAA | 4 | 0.004 | UU/CU | 11 | 0.003 |
20 | ACC | 3 | 0.003 | CUU | 4 | 0.004 | A/GC | 10 | 0.003 |