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Figure 5 | BMC Evolutionary Biology

Figure 5

From: Divergent evolution and molecular adaptation in the Drosophila odorant-binding protein family: inferences from sequence variation at the OS-E and OS-Fgenes

Figure 5

Unrooted tree with the pre-specified foreground branches used in the ML branch-site analysis. The OS-X sequences were not considered in this analysis (see Methods). b1 and b2 correspond to the D. melanogaster and D. guanche OS-E external lineages, respectively. Λ, Putative OS-E and OS-F ancestral protein node.

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