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Purification and characterization of ceruloplasmin receptors
1Veterans Administration Medical Center, Jackson, MS.
Transactions of the Association of American Physicians
|January 1, 1989
Abstract:
Membrane receptors for ceruloplasmin were isolated by affinity chromatography using CP bound to CNBr-activated Sepharose 4B. The receptor was obtained in the form of a single sharp peak which when collected, concentrated and run on SDS-PAGE provided a single band with a molecular weight of 35,000. Treatment with endoglycosidase F reduced this molecular weight by 3%. It is concluded that ceruloplasmin receptors in this cell system is a membrane protein containing 3% carbohydrate with a total molecular weight of 35,000. It is possible that this is a monomer of a higher molecular weight protein.