Table 1 Distribution of conserved and non-conserved pre-miRNAs in the human, mouse and rat genomes, with respect to protein-coding gene annotation.
| Genomic Location | |||
|---|---|---|---|
| Intergenic | Intronic | Mixed | |
| Group I | |||
| Human-Mouse-Rat | 114 | 66 | 66 |
| Group II | |||
| Human-Mouse | 20 | 28 | 7 |
| Human-Rat | 3 | 0 | 0 |
| Mouse-Rat | 18 | 4 | 4 |
| Group III | |||
| Human | 67 | 16 | |
| Mouse | 13 | 32 | |
| Rat | 1 | 3 | |
| Group IV | |||
| Human | 47 | 107 | |
| Mouse | 31 | 35 | |
| Rat | 1 | 4 |