| U12DB | |
| Description: | orthologous U12-type spliceosomal introns. |
| Author: | Tyler S Alioto |
| Citation: | Alioto & al. (2007) |
| Released: | 2006 |
| Url: | https://genome.crg.cat/datasets/u12/ |
U12 Intron Database (U12DB) is a biological database of containing the sequence of eukaryotic introns that are spliced out by a specialised minor spliceosome that contains U12 minor spliceosomal RNA in place of U2 spliceosomal RNA.[1] These U12-dependent introns are under-represented in genome annotations because they often have non canonical splice sites. Release 1 of the database contains 6,397 known and predicted U12-dependent introns across 20 species.