Hexamer | Number of transcripts | Found in catfish1 | Found in salmon2 | Found in human3 |
---|
AAUAAA | 1,264 | + | + | + |
AUUAAA | 435 | + | + | + |
AAAAAA | 47 | + | Â | Â |
UAUAAA | 25 | + | + | + |
AAGAAA | 23 | Â | + | + |
AAUATA | 20 | + | + | + |
CAUAAA | 19 | Â | Â | + |
AACAAA | 18 | Â | Â | Â |
AAUACA | 18 | Â | Â | + |
AAUGAA | 16 | Â | Â | + |
AGUAAA | 15 | + | Â | + |
AAUAAU | 10 | Â | Â | Â |
ACUAAA | 10 | Â | Â | + |
AAUUAA | 10 | Â | Â | Â |
- A subset of the full-length transcripts with polyA tails generated from sequencing were selected for analysis. Most common PAS alternatives (hexamers with single-base variant of AAUAAA) were identified within 35 nucleotides upstream of the polyA tail from full-length transcripts. 1Alternative PAS identified in Chen et al. (2010) [15]; 2 Alternative PAS identified in Andreassen et al. (2009) [25]; and 3Alternative PAS identified in Macdonald et al. (2002) [37].