Additional file 4: Figure S1.

Alignment of the α-amylase protein sequences studied, built with MAFFT, showing the intron positions. Pink: phase 0 introns; green: phase 1 introns; blue: phase 2 introns. This alignment was used, without the N-terminal variable region (signal peptide), for gene tree reconstruction (Additional file 5: Figure S2). Intron-slided introns are not shown.

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Da Lage et al. BMC Evolutionary Biology 2013 13:40   doi:10.1186/1471-2148-13-40