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Sodium dodecyl sulfate-polyacrylamide gel electrophoresis of high-pressure liquid chromatography-purified non-trypsin-activated and trypsin-activated toxins. Lanes: 1, marker; 2, Cry19Aa, non-trypsin activated; 3, Cry19AL1L2, non-trypsin activated; 4, 19Aa, trypsin activated; 5, 19AL1L2, trypsin activated.
