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Phylogenetic tree and schematic structures of S. mansoni calpains. A. Phylogenetic tree of S. mansoni and human calpains. See Fig. 3A for methods. B. Schematic structures. The human calpain most similar to each S. mansoni calpain is indicated in parentheses, with the aa sequence identity. The idnentity is given for each of the tandem classical calpain structures in XP_002577797. USP: ubiquitin-specific peptidase. See Fig. 1 legend for other symbols.
