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Related Experiment Videos

Human alpha-fucosidase. Purification and properties.

G Di Matteo, M A Orfeo, G Romeo

    Biochimica Et Biophysica Acta
    |April 8, 1976
    PubMed
    Summary

    Human placental alpha-fucosidase was purified and studied. Two enzyme forms interconvert during storage and electrofocusing, with reproducible activity patterns across tissues, except for more acidic forms in serum.

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    Area of Science:

    • Biochemistry
    • Enzymology

    Background:

    • Human placental alpha-fucosidase (EC 3.2.1.51) is an enzyme with significant biological roles.
    • Understanding its properties is crucial for biochemical and medical research.

    Purpose of the Study:

    • To extensively purify and characterize human placental alpha-fucosidase.
    • To investigate its kinetic and structural properties, including different forms and their interconversion.

    Main Methods:

    • DEAE-cellulose chromatography for enzyme separation.
    • Isoelectrofocusing to analyze enzyme activity peaks and pI values.
    • Thermostability and molecular weight assessments.

    Main Results:

    • The enzyme was purified and separated into two forms with distinct molecular weights and thermostability.
    • An interconversion between these forms occurred during storage and electrofocusing.
    • Isoelectrofocusing revealed reproducible activity patterns across various tissues, with acidic pI values observed in serum.

    Conclusions:

    • Human placental alpha-fucosidase exhibits complex behavior regarding its forms and stability.
    • The observed interconversion and tissue-specific patterns provide insights into enzyme regulation and function.

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