Inhibition of Ouabain-binding to ()ATPase by antibody against the catalytic subunit but not by antibody against the glycoprotein subunit |
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Authors: | Hee Min Rhee Lowell E. Hokin |
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Affiliation: | Department of Pharmacology, University of Wisconsin Medical School, Madison, WI 53706 U.S.A. |
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Abstract: | Antibodies against purified ( from the rectal gland of Squalus acanthias, as well as against its catalytic subunit, inhibited ouabain binding by as much as 50%. However, antibodies against the glycoprotein subunit did not inhibit ouabain binding. These data suggest that binding of antibody against the catalytic subunit to the enzyme either covers the ouabain binding site or destroys its conformation, while binding of antibody against the glycoprotein has no such effect. |
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Keywords: | Ouabain Antibody Inhibition Catalytic subunit Glycoprotein subunit SDS sodium dodecyl sulfate |
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