Abstract
This study shows that a statistical excess of stop codons has evolved at the third codon downstream of the real stop codon UAA in yeasts. Comparative analysis indicates that stop codons at this location are considerably more conserved than sense codons, suggesting that these tandem stop codons are maintained by selection.
Highlights
Additional Data file 1 Frequency of stop codons at each codon location following the real stop codons in other yeast species.
Codon +1 Codon +2 Codon +3 Codon +4 Codon +5 Codon +6 Codon +7 Codon +8 Codon +9
Frequency/ Position Codon +1 Codon +2 Codon +3 Codon +4 Codon +5 Codon +6 Codon +7 Codon +8 Codon +9
Summary
Additional Data file 1 Frequency of stop codons at each codon location following the real stop codons in other yeast species.
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