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    Biochem J. 1992 Jun 15;284 ( Pt 3):749-54.

    cDNA cloning of human and rat brain myo-inositol monophosphatase. Expression and characterization of the human recombinant enzyme.

    Source

    Merck Sharp and Dohme Research Laboratories, Harlow, Essex, U.K.

    Abstract

    Inositol monophosphatase (EC 3.1.3.25) is a key enzyme in the phosphoinositide cell-signalling system. Its role is to provide inositol required for the resynthesis of phosphatidylinositol and polyphosphoinositides. It is the probable pharmacological target for lithium action in brain. Using probes derived from the bovine inositol monophosphatase cDNA we have isolated cDNA clones encoding the human and rat brain enzymes. The enzyme is highly conserved in all three species (79% identical). The coding region of the human cDNA was inserted into a bacterial expression vector. The expressed recombinant enzyme was purified and its biochemical properties examined. The human enzyme is very similar to the bovine enzyme.

    PMID:
    1377913
    [PubMed - indexed for MEDLINE]
    PMCID:
    PMC1132602
    Free PMC Article

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