Table 3.
Most Significant Hexamers in 3′ Fragments: Scattered Hexamers
| Hexamer | Observed (expected) | % sites | P | Position average ± SD | Location | ||
|
62 (10) | 1.1 | 9 × 10−28 | −19 ± 11 |
|
||
| 49 (10) | 0.8 | 4 × 10−18 | −20 ± 10 | ||||
| 69 (20) | 1.2 | 3 × 10−18 | −17 ± 12 | ||||
| 29 (5) | 0.5 | 8 × 10−12 | −20 ± 10 | ||||
| 22 (3) | 0.3 | 9 × 10−12 | −24 ± 13 | ||||
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↵Expected occurrences based on a random distribution in a database of same nucleotide composition.
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↵Probability of reaching the observed frequency by chance based on a cumulative binomial distribution. All sequences containing the most significant hexamer were removed from the database before the next most significant hexamer was sought.
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↵Location of the last base of hexamer. Position 0 is the putative poly(A) site.
