Additional file 5.

The alignment contains some exemplary N-terminal chromodomain sequences of putative Hp1-like proteins from putatively early branching eukaryotes, which possess a set of conserved residues (*) formally required for ARKme3S/T binding. Residues identical in 85% of all sequences are shaded black; residues similar in 85% of all sequences are shaded grey. Notably, in three Trichomonas vaginalis sequences a C-terminal chromoshadowdomain could be recognized (C+CS).

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Postberg et al. BMC Evolutionary Biology 2010 10:259   doi:10.1186/1471-2148-10-259