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Purification and structural analysis of interferon.

M Rubinstein

    Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
    |September 24, 1982
    PubMed
    Summary
    This summary is machine-generated.

    Purifying interferons (IFNs) was challenging due to small quantities. Advanced methods now yield pure IFNs, enabling detailed structural analysis and complete sequence determination for better understanding of these proteins.

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    Area of Science:

    • Biochemistry
    • Molecular Biology
    • Immunology

    Background:

    • Early interferon studies provided limited structural information due to purification challenges.
    • Minute quantities of interferon hindered complete biochemical characterization.

    Purpose of the Study:

    • To achieve homogeneous interferon purification for comprehensive structural analysis.
    • To determine complete interferon sequences using advanced molecular techniques.

    Main Methods:

    • Scale-up of interferon production and multi-step purification schemes.
    • Application of high-resolution separation and sensitive analytical techniques.
    • Sequencing of cloned complementary DNA (cDNA) fragments and interferon genes.

    Main Results:

    • Obtained pure interferons, allowing for extensive structural data acquisition.
    • Determined specific activities, amino-acid compositions, partial sequences, and structural homologies.
    • Elucidated complete interferon sequences with high confidence.

    Conclusions:

    • Advanced purification and sequencing technologies have overcome previous limitations in interferon research.
    • Complete interferon sequences are now accessible, facilitating a deeper understanding of their structure and function.