Cross-linking of hemoglobin to the cytoplasmic surface of human erythrocyte membranes. Identification of band 3 as a site for hemoglobin binding in Cu2+-o-phenanthroline catalyzed cross-linking.

Abstract

The addition of hemoglobin to isolated membrane ghosts of human erythrocytes followed by catalytic oxidation with Cu2+-o-phenanthroline results in the covalent attachment of hemoglobin to the membrane. A decrease in the mobility of Band 3 in sodium dodecyl sulfate-polyacrylamide gel electrophoresis corresponding to an increase in molecular weight of… (More)

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