Figure 6From: The adaptive evolution of the mammalian mitochondrial genomeAmino acid properties under positive (blue) and negative (red) selection in mammalian mitochondrial protein-coding genes. Conservative changes correspond to conservative categories 1 and 2 and radical changes to categories 7 and 8 (P ≤ 0.001). (C: chemical; S: structural; O: other [1])Back to article page