Table 3.
Estimates of Constraint in Runs of Nucleotides Close to the 5′- or 3′-Ends of Introns, Calculated Using the Two Lineage Method, Applied to Sequences from D. melanogaster and D. simulans
|
|
|
Substitutions |
|
||
|---|---|---|---|---|---|
| Intron end |
Base pairs |
Observed (SEM) |
Expected (SEM) |
Constraint (SEM) |
|
| 5′ | 1–2 | 0 (0.0) | 0.294 (0.021) | 1.00 (0.00) | |
| 3–4 | 0.145 (0.037) | 0.277 (0.021) | 0.47 (0.13) | ||
| 5–6 | 0.055 (0.024) | 0.295 (0.022) | 0.82 (0.077) | ||
| 3′ | 1–2 | 0 (0.0) | 0.292 (0.021) | 1.00 (0.00) | |
|
|
3–16
|
2.248 (0.202)
|
1.912 (0.142)
|
–0.178 (0.098)
|
|
