Table 2.
Percentages of introns with various terminal dinucleotides in each class in all annotated genomes. Organisms are sorted in the phylogenetic order shown in Figure 2
| Intron class | U2-type | U12-type | ||||||
|---|---|---|---|---|---|---|---|---|
| Terminal dinucleotides | GT-AG | GC-AG | AT-AC | Other | GT-AG | GC-AG | AT-AC | Other |
| Saccharomyces cerevisiae | 912 | 2.7 | 0 | 5.7 | 0 | 0 | 0 | 0 |
| Schizosaccharomyces pombe | 100 | 0.12 | 0 | 0.01 | 0 | 0 | 0 | 0 |
| Glycine max | 98 | 1.6 | 0 | 0 | 76 | 0.01 | 23 | 0 |
| Arabidopsis thaliana | 99 | 1.0 | 0.01 | 0.08 | 73 | 0 | 26 | 1.1 |
| Zea mays | 99 | 0.50 | 0.05 | 0.41 | 86 | 0 | 13 | 1.2 |
| Oryza sativa | 97 | 0.30 | 0.01 | 2.5 | 74 | 0 | 22 | 3.8 |
| Caenorhabditis elegans | 99 | 0.64 | 0 | 0.18 | 0 | 0 | 0 | 0 |
| Apis mellifera | 99 | 0.65 | 0.01 | 0.03 | 91 | 0.71 | 8.6 | 0 |
| Drosophila melanogaster | 99 | 0.75 | 0.01 | 0.07 | 47 | 5.3 | 47 | 0 |
| Anopheles gambiae | 100 | 0.26 | 0 | 0.09 | 88 | 4.2 | 8.3 | 0 |
| Ciona intestinalis | 91 | 0.70 | 0.04 | 8.7 | 65 | 0 | 23 | 12 |
| Gallus gallus | 97 | 2.2 | 0.01 | 0.56 | 77 | 0.97 | 18 | 3.4 |
| Xenopus tropicalis | 85 | 0.90 | 0.07 | 14 | 78 | 0.22 | 8 | 14 |
| Danio rerio | 97 | 1.2 | 0.02 | 1.4 | 75 | 0 | 22 | 2.7 |
| Tetraodon nigroviridis | 86 | 1.4 | 0.03 | 13.0 | 77 | 0.80 | 12 | 11 |
| Takifugu rubripes | 91 | 5.7 | 0 | 3.4 | 79 | 4.3 | 12 | 5.0 |
| Monodelphis domestica | 98 | 0.50 | 0.01 | 1.1 | 82 | 0.20 | 14 | 4.1 |
| Bos taurus | 94 | 0.89 | 0.03 | 5.1 | 69 | 0.81 | 21 | 10 |
| Canis familiaris | 95 | 0.86 | 0.02 | 3.7 | 69 | 0.35 | 20 | 11 |
| Rattus norvegicus | 97 | 0.78 | 0.02 | 2.1 | 69 | 0.49 | 23 | 6.5 |
| Mus musculus | 99 | 0.78 | 0.01 | 0.16 | 69 | 0.47 | 25 | 5.4 |
| Macaca mulatta | 97 | 3.4 | 0.01 | 0.02 | 78 | 2.8 | 17 | 2 |
| Pan troglodytes | 97 | 2.8 | 0.01 | 0.14 | 72 | 1.7 | 21 | 4.7 |
| Homo sapiens | 99 | 0.77 | 0.01 | 0.15 | 68 | 0.61 | 26 | 5.2 |