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Figure 2 | BMC Evolutionary Biology

Figure 2

From: Evolution of rhodopsin ion pumps in haloarchaea

Figure 2

Best maximum likelihood trees (IQPNNI, WAG, estimated shape parameter α with 8 rate categories + invariable sites) of (A) the BR protein (197 aa positions) and (B) HR protein (249 aa positions) for members of the haloarchaea. Bootstrap values were obtained using PHYML and IQPNNI and are shown on this order in the tree. Only bootstrap values greater than 70% are displayed. Clades that represent a single genus are colour coded. The H. walsbyi B sequence (purple) in (A) represents a rhodopsin of unknown function.

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