Table 5.
Evaluation of the fitting of models of codon evolution in the brown bear
| Model | ln L | Parameters | Δ AIC |
|---|---|---|---|
| |
MHC class I |
|
|
| M0 |
−1725.4 |
ω = 0.474 |
313.2 |
| M7 |
−1587.7 |
|
39.8 |
| M8 |
−1565.9 |
p0 = 0.743 p1 = 0.257 ω1 = 2.325 |
0 – best |
| |
MHC class II DRB |
|
|
| M0 |
−694.5 |
ω = 2.327 |
117.1 |
| M7 |
−646.7 |
|
23.6 |
| M8 |
−632.9 |
p0 = 0.652 p1 = 0.348 ω1 = 12.181 |
0 – best |
| |
MHC class II DQB |
|
|
| M0 |
−402.8 |
ω = 0.322 |
9.5 |
| M7 |
−397.1 |
|
0 – best |
| M8 | −396.8 | p0 = 0.717 p1 = 0.283 ω1 = 1.489 | 3.5 |
Parameter description : ω – dN/dS per all sites; ω1 – estimated value of ω for sites under positive selection, p0 – proportion of sites with ω ≤ 1 ; p1 – proportion of sites with ω > 1.