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. 2020 Jun 2;48(13):7066–7078. doi: 10.1093/nar/gkaa464

Table 1.

Groups of orthologous introns of different classes. Introns with nothing in the gene column came from transcripts with no gene name annotated by Ensembl. Vertical bars in the sequence column denote splice sites, and the middle sequence flanked by ellipses is the putative branch point region as annotated by intronIC

Organism Gene Intron Class Phase Sequence
Zea mays U12-type 0 GCAAAG|GTATCCTTTT…TCCTCCTAAACT…TGCAG|TCCTCC
Oryza sativa U2-type 0 GCCAAG|GTAATTTATA…TTAATGTTTAAT…TGCAG|TTAATG
Zea mays U2-type 0 AAGCGG|GTATGTCTAG…TTGATCTCACCT…ATCAG|TTGATC
Glycine max U12-type 0 AAGCGT|GTATCCTTCA…TTGTCCTTGACC…GAAAG|TTGTCC
Zea mays U2-type 1 TCAACA|GTACGCAACA…TCCTTCTTAATT…TGTAG|TCCTTC
Oryza sativa U12-type 1 TCAACA|GTATCCATCA…TTTTTCTTAACT…TGTAG|TTTTTC
Arabidopsis thaliana U2-type 1 TCAACA|GTAAATTTTC…TTTCTCTTGACC…TGCAG|TTTCTC
Canis familiaris SMYD2 U12-type 1 ACAAAT|ATATCCTTTA…CTTTCCTTGACA…AGCAC|CTTTCC
Homo sapiens SMYD2 U12-type 1 ATAAAT|ATATCCTTTA…CTTTCCTTGACT…AGCAC|CTTTCC
Mus musculus Smyd2 U12-type 1 ACAAAT|ATAACCTTTC…GTTTCCTTGACG…AGCAC|GTTTCC
Macaca mulatta SMYD2 U2-type 1 ACAACT|GCCCTGATGG…GTTTCCTTGACT…CACAG|GTTTCC
Pan troglodytes SMYD2 U12-type 1 ATAAAT|ATATCCTTTA…GTTTCCTTGACT…AGCAC|GTTTCC
Rattus norvegicus Smyd2 U12-type 1 ACAAAT|ATAACCTTTC…GTTTCCTTGACG…AGCAC|GTTTCC
Anopheles gambiae U2-type 2 TAATCC|GTATGTAACC…TGTTTCTCCTTT…TGTAG|TGTTTC
Monodelphis domestica RNF121 U12-type 2 TAACCC|GTATCCTTTT…TTTTCTTTAACC…TGAAG|TTTTCT
Rattus norvegicus Rnf121 U12-type 2 CAATCC|GTATCCTTTG…TGATCCTTAACA…GACAG|TGATCC
Homo sapiens UFD1 U12-type 2 AGCCGT|GTATCTTTTT…GTTGCCTTGACA…TGCAG|GTTGCC
Pan troglodytes UFD1 U12-type 2 AGCCGT|GTATCTTTTT…GTTGCCTTGACA…TGCAG|GTTGCC
Tetraodon nigroviridis ufd1l U2-type 2 AGCAGT|GTAAGAACGA…GAATTGTTTTCT…TGCAG|GAATTG