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  • Title: [Antibody interaction with the amphotericin channel].
    Author: Kolomytkin OV, Mantsygin IuA, Sviatukhina NV.
    Journal: Izv Akad Nauk SSSR Biol; 1989; (3):394-400. PubMed ID: 2474590.
    Abstract:
    The monoclonal antibodies against asymmetric channel formed in the lipid bilayer of polyene antibiotic amphotericin B and cholesterol after addition of the antibiotic to the compartment from the cis side of the membrane were obtained. The effect of the antibodies on ion conductance of the channel depends on the distribution of cholesterol in the membrane. When cholesterol was present on both sides of the lipid bilayer, three antibody molecules bound to the channel from the trans side of the membrane, thus markedly increasing the lifetime of the open state of the channel. When cholesterol was present in the cis monolayer only, the antibodies, added to the trans compartment of the cell, reduced the membrane conduction.
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