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  • Title: Acid phosphatase from liver of the frog Rana esculenta, separation and partial characterization of multiple forms.
    Author: Kubicz A, Dratewka E, Malicka-Błaszkiewicz M.
    Journal: Acta Biochim Pol; 1978; 25(4):349-59. PubMed ID: 35912.
    Abstract:
    1. Acid phosphatase (AcPase) from liver of the frog, Rana esculenta has been isolated and purified. The enzyme is heterogeneous, showing 4 activity zones on disc electrophoresis. The AcPase was separated into 3 peaks on DEAE-cellulose. Peak A corresponding to the electrophoretic AcPase IV represents an extensively purified enzyme form. 2. The separated enzyme forms are change isomers with a molecular weight of about 33,000. They differ markedly in substrate requirements and sensitivity towards activators and inhibitors. All of them are highly activated by dithiothreitol, show a rather restricted substrate specificity, and marked activity against ATP.
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