Identification of a third form of protein phosphatase 1 in rabbit skeletal muscle that is associated with myosin

Alexander A K Chisholm, Philip Cohen

    Research output: Contribution to journal › Article

    40 Citations (Scopus)

    Abstract

    A third form of protein phosphatase 1 has been identified in skeletal muscle which is distinct from the species composed of the catalytic subunit complexed to the glycogen-binding subunit (protein phosphatase 1G) or inhibitor-2 (protein phosphatase 1I). The third form has an apparent molecular mass of 110 kDa, is not immunoprecipitated by antibody prepared against the glycogen-binding subunit, does not interact with glycogen and is devoid of inhibitor-2. It is tightly bound to myosin and is therefore termed protein phosphatase 1M.

    Original languageEnglish
    Pages (from-to)392-400
    Number of pages9
    JournalBBA - Molecular Cell Research
    Volume968
    Issue number3
    DOIs
    Publication statusPublished - 11 Mar 1988

    Fingerprint

    Protein Phosphatase 1
    Myosins
    Glycogen
    Skeletal Muscle
    Rabbits
    Phosphoprotein Phosphatases
    Catalytic Domain
    Carrier Proteins
    Antibodies

    Keywords

    • (Skeletal muscle)
    • Glycogen binding
    • Glycogen metabolism
    • Myosin binding
    • Protein phosphatase 1

    Cite this

    Chisholm, Alexander A K ; Cohen, Philip. / Identification of a third form of protein phosphatase 1 in rabbit skeletal muscle that is associated with myosin. In: BBA - Molecular Cell Research. 1988 ; Vol. 968, No. 3. pp. 392-400.
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    abstract = "A third form of protein phosphatase 1 has been identified in skeletal muscle which is distinct from the species composed of the catalytic subunit complexed to the glycogen-binding subunit (protein phosphatase 1G) or inhibitor-2 (protein phosphatase 1I). The third form has an apparent molecular mass of 110 kDa, is not immunoprecipitated by antibody prepared against the glycogen-binding subunit, does not interact with glycogen and is devoid of inhibitor-2. It is tightly bound to myosin and is therefore termed protein phosphatase 1M.",
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    Chisholm, AAK & Cohen, P 1988, 'Identification of a third form of protein phosphatase 1 in rabbit skeletal muscle that is associated with myosin', BBA - Molecular Cell Research, vol. 968, no. 3, pp. 392-400. https://doi.org/10.1016/0167-4889(88)90032-8

    Identification of a third form of protein phosphatase 1 in rabbit skeletal muscle that is associated with myosin. / Chisholm, Alexander A K; Cohen, Philip.

    In: BBA - Molecular Cell Research, Vol. 968, No. 3, 11.03.1988, p. 392-400.

    Research output: Contribution to journal › Article

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    AU - Cohen, Philip

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    N2 - A third form of protein phosphatase 1 has been identified in skeletal muscle which is distinct from the species composed of the catalytic subunit complexed to the glycogen-binding subunit (protein phosphatase 1G) or inhibitor-2 (protein phosphatase 1I). The third form has an apparent molecular mass of 110 kDa, is not immunoprecipitated by antibody prepared against the glycogen-binding subunit, does not interact with glycogen and is devoid of inhibitor-2. It is tightly bound to myosin and is therefore termed protein phosphatase 1M.

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    Chisholm AAK, Cohen P. Identification of a third form of protein phosphatase 1 in rabbit skeletal muscle that is associated with myosin. BBA - Molecular Cell Research. 1988 Mar 11;968(3):392-400. https://doi.org/10.1016/0167-4889(88)90032-8

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