Additional file 1.

Phylogenetic tree of metazoan arrestins. Phylogenetic analyses of metazoan β arrestin genes. ML topology shown. Nodal support is given by bootstrap percentages/posterior probability. Support values below 50 are not shown. Dashes = 100% for bootstrap support and 1.0 for posterior probability.

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Plachetzki et al. BMC Biology 2012 10:17   doi:10.1186/1741-7007-10-17