GFP-palette of the contemporary artist: the phylogenetic tree for the current dataset of anthozoan GFP-like proteins. The "stem" of the tree (thick gray line) reflects the entire diversity of GFP-like proteins before the separation of Alcyonaria and Zoantharia sub-classes. Gray bars marked A, B, C and D denote four distinct clades of GFP-like proteins found in Zoantharia.

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