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Overlapping region of amino acid sequence alignment of one exemplary cluster of identified homologous protein clusters. This gene family belongs to naturally expressed fluorescent protein. Conserved chromophore region (XYG) is located at the position 303–305. The newly identified sequences with extended N-terminal are s23Contig16657-5, s23Contig40465-7 in Fav1, s62Contig19888-6, and s62Contig41210-3 in Fav2. The full-length alignment is reported in Additional file 17: Figure S3.
