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  • Title: [Possible function of RNA-binding proteins of eukaryotes: blocking of RNA accessibility for DNA-interacting (regulatory) protein].
    Author: Romanov GA.
    Journal: Biokhimiia; 1982 Mar; 47(3):339-42. PubMed ID: 6176278.
    Abstract:
    In the presence of rat liver cytosol the glucocorticoid receptor complexes (GRC) bind very weakly to RNA as compared to DNA, whereas the binding of purified GRC to RNA is only 2-3 time less than to DNA. It is assumed that the RNA-binding proteins present in the cytoplasm selectively prevent the GRC binding to RNA and thus facilitate the GRC binding to nuclear DNA (chromatin). This blocking function may be performed by the RNA-binding proteins with respect to different regulatory DNA-dependent intracellular proteins in vivo. Possible mechanisms of regulation of the genome activity based on changes in RNA-RNA-binding proteins ratio in intact cells and in individual cell compartments are discussed.
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