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LE chimera construct. (A) Schematic diagrams of LF of B. anthracis and chimeric toxin LE made by swapping the catalytic domain of LF with EDIN of S. aureus. (B) Sodium dodecyl sulfate-polyacrylamide gel electrophoresis of recombinant toxins in E. coli BL21(DE3). Lane MW, 10- to 120-kDa prestained protein markers (Fermentas).
