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A soluble α-glucosidase presumably involved in the general carbohydrate metabolism was purified from E. histolytica trophozoites by a three-step procedure consisting of ion exchange, size exclusion and adsorption chromatographies in columns of Mono Q, Sepharose CL-6B and hydroxyapatite, respectively. After the last step, the enzyme was enriched about 673-fold over the starting material with a yield...
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