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Coomassie blue-stained sodium dodecyl sulfate-12% (wt/vol) polyacrylamide gel electrophoresis of the recombinant proteins cytokeratin K-10 (A), involucrin (B), loricrin (C), and rIsdA (D). All lanes contain ca. 0.5 μg of recombinant protein. The sizes of molecular mass markers also are shown.
