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  • Title: [Interaction of aldolase A with lecithin liposomes].
    Author: Sytnik AI, Chumachenko IuV, Volovik ZN, Demchenko AP.
    Journal: Ukr Biokhim Zh (1978); 1988; 60(2):66-72. PubMed ID: 3394175.
    Abstract:
    The aldolase A binding to the lecithin liposomes (Kd = 2.4 +/- 0.1 X 10(-3) M) has been shown by the fluorescence and tryptophan phosphorescence at the room temperature. The interaction is accompanied by an increase in the phospholipid bilayer microviscosity, and some conformational changes in the hydrophobic part of the enzyme, pronouncing themselves in Trp-147 environment rigidity, decrease. The observation of membrane viscosity vs. incubation time revealed practically instant enzyme-membrane interaction and no gradual incorporation. The accessibility of the NAD-binding domain of aldolase for NADH in the liposome presence remains unaltered.
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