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Figure 3 | BMC Evolutionary Biology

Figure 3

From: Massive expansion of the calpain gene family in unicellular eukaryotes

Figure 3

Proposed origin of calpain domain architectures mapped on the global eukaryote phylogeny [[26, 28][33]]. Black bars on the branches indicate the hypothetical origin of specified domain combinations. Calpain variants found in one taxon or among closely related species are schematically displayed within the supergroup rectangles, which likely constitute lineage-specific domain combinations.

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