Table 3. Amino-acid changes in the three functional domains of Peromyscus maniculatus cytochrome b.
Domain | Proportion of polymorphic sites | Proportion of physicochemically radical substitutions | Proportion of replacement sites with multiple substitutions in the P. maniculatus phylogeny |
---|---|---|---|
Matrix | 0.07 (3/41) | 1.00 (10/10) | 0.90 (37/41) |
Transmembrane | 0.09 (18/202) | 0.17 (4/24) | 0.29 (59/202) |
Intermembrane | 0.03 (3/106) | 0.33 (1/3) | 0.00 (0/106) |
χ2 (df=2) | 3.387 (P>0.05) | 35.777 (P<0.001)* | 27.157 (P<0.001)* |
Significant after Bonferronni correction (α = 0.017; P<0.05/3).