From: Intronic RNAs constitute the major fraction of the non-coding RNA in mammalian cells
Maximum intron/Exon density | ||||
---|---|---|---|---|
>10 fold | 2-10 fold | 1-2 fold | 1 fold and above | |
Total introns* | 96 | 707 | 4,950 | 5,753 |
UCSC snoRNAs | 34 | 19 | 23 | 76 |
Ensemble snoRNAs | 48 | 31 | 17 | 96 |
Non-mouse snoRNAs | 1 | 0 | 0 | 1 |
Ensemble snRNAs | 2 | 7 | 8 | 17 |
RNA repeats | 3 | 14 | 52 | 69 |
Un-annotated | 8 | 636 | 4,850 | 5,494 |
Un-annotated % | 8.3% | 90.0% | 98.0% | 95.5% |