Additional file 6.

Figure S4. The phylogenetic tree showing sequence substitution pattern of each primate lineage. The numbers of non-synonymous and synonymous substitutions (N/S) and the amino-acid insertions-deletions are labeled for each lineage. The sequences of of human and chimpanzee were reconstructed by excluding the within-species non-synonymous changes. Using marmoset sequence as outgroup, all internal node sequences were inferred by PAML. The lineages showing Ka/Ks ratios significantly larger than one are denoted by '*' (p < 0.05) or '**' (p < 0.01). For the abbreviations of the primate species, refer to table 1.

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Niu et al. BMC Evolutionary Biology 2011 11:298   doi:10.1186/1471-2148-11-298