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Distribution of UTR functional annotations available in UTRdb 2.0
| Annotation | 5′UTR | 3′UTR | ||
|---|---|---|---|---|
| Human | Others | Human | Others | |
| uORFs | 78 276 | 10 677 649 | - | - |
| IRES | 239 | 102 | - | - |
| CAGEs | 2885 | 77 673 | - | - |
| Alternative PolyA sites | - | - | 124 015 | 56 180 |
| miRNAs targets | 51 428 | 7972 | 741 407 | 205 379 |
| Conserved blocks | 431 218 | 1 048 459 | 2 095 576 | 2 731 101 |
| RNA editing | 15 293 | 253 | 336 959 | 6998 |
| m6A modifications | 8050 | 6517 | 28 | 34 445 |
| Variants | 5 890 887 | 8 789 358 | 22 821 251 | 21 051 930 |
| Rfam motifs | 159 | 24 922 | 528 | 54 478 |
