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Fig. 1. (A) Diversity plot comparing SIVcpz (strain US) to seven other SIV lineages, across concatenated Gag, Pol, and Env protein sequence alignments. (B) Maximum likelihood phylogenies of primate lentivirus Pol and Env sequences. Internal branches found in at least 70% and 95% of bootstrap replicates are indicated by + and *, respectively (6).
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