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The maximum-likelihood (PhyML) phylogenetic tree inferred from amino acid sequences of the ADP/ATP translocase of Parachlamydia acanthamoebae UV-7, Candidatus, Protochlamydia, Waddlia chondrophila, Simkania negevensis, R. massiliensis, Chlamydiaceae, Rickettsiales, and plant and algal plastids. Bootstrap proportion values are indicated at the node.
