Table 4.
Estimates of the Level of Constraint in Introns of 38 Loci From D. melanogaster and D. simulans, Computed Using the Three-Lineage Method
|
|
|
|
Substitutions |
|
||
|---|---|---|---|---|---|---|
| Lineage |
Data set |
bp Per locus |
Observed (SEM) |
Expected (SEM) |
Constraint (SEM) |
|
| melanogaster | Complete | 204 | 7.05 (1.07) | 7.17 (1.15) | 0.010 (0.11) | |
| simulans | 6.49 (1.04) | 7.82 (1.59) | 0.15 (0.14) | |||
| melanogaster | Splice sequences omitted | 161 | 5.87 (0.99) | 5.45 (0.96) | –0.087 (0.13) | |
| simulans | 5.39 (0.95) | 5.90 (1.36) | 0.065 (0.15) | |||
| melanogaster | 5′ bases 3–6 | 7.8 | 0.184 (0.074) | 0.326 (0.045) | 0.44 (0.21) | |
| simulans | 0.052 (0.036) | 0.370 (0.057) | 0.86 (0.10) | |||
| melanogaster | 3′ bases 3–16 | 27.3 | 1.003 (0.200) | 1.112 (0.196) | 0.084 (0.19) | |
| simulans
|
|
|
1.034 (0.200)
|
1.205 (0.201)
|
0.12 (0.21)
|
|
