Figure 4.

Fusion linked result for Chlamydomonas reinhardtii topoisomerase. (A) Schematic alignment of the T. brucei protein pair with the fused protein in C. reinhardtii, showing the amino acid positions that delineate the beginning and end of the alignment, as well as the position of the conserved domains, relative to the full protein length. For the full details of the alignment see Additional file 2. (B) Fusion analysis for the specific protein pair across the range of eukaryotes and prokaryotes, mapped on a generic evolutionary tree, to highlight the evolution of the fusion event.

Dimitriadis et al. BMC Evolutionary Biology 2011 11:193   doi:10.1186/1471-2148-11-193
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