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  • Title: The influence of cytotoxins from Central Asian cobra venom and melittin from bee venom on the thermodynamic properties of phospholipid bilayer.
    Author: Aripov TF, Rozenshtein IA, Salakhutdinov BA, Lev AA, Gotlib VA.
    Journal: Gen Physiol Biophys; 1987 Aug; 6(4):343-57. PubMed ID: 3666427.
    Abstract:
    The interaction of cytotoxin Vc1 and Vc5 from Central Asian cobra and melittin from the bee venom with multilayer liposomes prepared from dimiristoylphosphatidylcholine with an addition of phosphatidic acid have been studied by the method of differential scanning calorimetry. Incorporation of Vc1, Vc5 and melittin into the lipid resulted in pronounced changes in the thermodynamic properties of the lipid. Polypeptides studied induced lateral phase separation in the lipid. Interaction between molecules of the toxins and the lipid resulted in the formation of a new lipid phase characterized by a higher melting temperature and lower phase transition enthalpy.
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