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Figure 5 | BMC Bioinformatics

Figure 5

From: Constructing a meaningful evolutionary average at the phylogenetic center of mass

Figure 5

Relationships among eleven HIV-1 isolates. (a) A phylogeny, adapted from [20]. Branches are drawn to scale in units of percent divergence from the root. The isolates were taken from individuals in the United States (PV22, BH10, BRU, HXB, SF2, CDC), Haiti (WMJ2, RF), and Africa (ELI, MAL, Z3). (b) Sets of weights for each of the eleven isolates, calculated from the phylogeny in (a) using ACL (left) and BM (right). Ratio is the BM weight divided by the ACL weight; only Z3 has a ratio smaller than one. (c) Alignment of amino acid positions 307–321 of the HIV-1 envelope glycoprotein gp120 obtained from each of the eleven isolates.

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