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  • Title: Characterization of alkaline phosphatase inactivation by ascorbic acid.
    Author: Miggiano GA, Mordente A, Martorana GE, Meucci E, Castelli A.
    Journal: Biochim Biophys Acta; 1984 Sep 25; 789(3):343-6. PubMed ID: 6477937.
    Abstract:
    Ascorbic acid, isoascorbic acid and dehydroascorbic acid inhibit bovine kidney alkaline phosphatase activity. Ascorbic acid free radicals seem not to be involved. Dialysis does not make the inactivation reversible. A competitive mechanism can be inferred from experiments with phosphate and substrates, which block the activity decay. The influence of temperature, pH, other inhibitors and tertiary structure modifications on the inactivation process is also investigated.
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