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Multiple sequence alignment (MSA) of the mature peptide of SLP2 (A) and SLP1 (B) in order of appearance in the phylogeny (left, color coded as in previous figure). Consensus sequence histograms of each clade below the MSA (+ sign indicates a highly variable site). In red, sites evolving under negative selection, as detected with FUBAR, and in blue, sites evolving under positive selection as detected with MEME (see Figure 3).
