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  • Title: Immunochemical characterization of proteins from mouse liver plasma membranes.
    Author: Gurd JW, Evans WH, Perkins HR.
    Journal: Biochem J; 1973 Dec; 135(4):827-32. PubMed ID: 4360251.
    Abstract:
    1. Antiserum was prepared in rabbits against a purified mouse liver plasma-membrane fraction. 2. The antiserum was made to react with an (125)I-labelled alkaline-EDTA extract of the plasma membranes, and the immunoprecipitate analysed by polyacrylamide-gel electrophoresis. Seven proteins were immunoprecipitated and a single glycoprotein present in the alkaline-EDTA-soluble fraction was found to be a major component. 3. The alkaline-EDTA-soluble fraction was analysed by two-dimensional immunoelectrophoresis and this procedure indicated the presence of six antigenic components. 4. The plasma membranes were also extracted with 1% deoxycholate-1% Triton X-100; 50% of the protein, 80% of the alkaline phosphodiesterase activity and 30% of the 5'-nucleotidase activity were solubilized. 5. Two-dimensional immunoelectrophoresis of the deoxycholate-Triton X-100 extract indicated the presence of six antigens. 6. The relative distribution of the six antigens among the fractions obtained during the extraction procedure was examined immunoelectrophoretically to provide information on their disposition within the membrane.
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