Glucagon Affinity Absorbents: Selective Binding of Receptors of Liver Cell Membranes |
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Authors: | FOLKER KRUG BERNARD DESBUQUOIS PEDRO CUATRECASAS |
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Affiliation: | 1.Departments of Medicine, Pharmacology and Experimental Therapeutics,Johns Hopkins University School of Medicine,Baltimore |
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Abstract: | AFFINITY chromatography has been used in the rapid isolation of enzymes, antibodies, antigens and other ligand-binding proteins1–6. Selective adsorbents with biological specificity perhaps may best be used in the resolution and isolation of complex biological structures and important regulatory macromolecules present in cells in very low amounts. For example, polypeptide and steroid hormone receptors, drug receptors, transport proteins and repressor molecules may be well suited for study by this technique because they display specific binding functions with a high degree of affinity. |
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