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  • Title: Studies on the interaction of Ca2+ ions with some fractions of the neurospecific S-100 protein.
    Author: Starostina MV, Malup TK, Sviridov SM.
    Journal: J Neurochem; 1981 Jun; 36(6):1904-15. PubMed ID: 7241144.
    Abstract:
    Fractions of neurospecific S-100 protein were purified from bovine brain and their physicochemical properties were studied. Conformational changes caused by the binding of calcium to S-100 protein fractions were detected by means of differential and fluorescence spectroscopy. Fractions demonstrating opposite shifts of their spectra also differ in the distribution in double-phase system. The number of calcium-binding centers and their association. The nature of the differences in the interaction of various S-100 protein fractions with calcium is discussed.
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