Concanavalin A-horseradish peroxidase bridge staining of alpha-1 glycoproteins separated by isoelectric focusing on polyacrylamide gelRC Allen, SS Spicer and D Zehr
The Coomassie Blue protein stain and the periodic acid-Schiff stain for glycoproteins are compared to a new method of staining glycoproteins resolved electrophoretically. The method utilizes a Concanavalin A- horseradish peroxidase sequence to visualize selectively glycoproteins with terminal or internal mannose or terminal N-acetylglucosamine. The method applied to characterization of M and Z allele products of alpha- l-antitrypsins separated by isoelectric focusing of polyacrylamide gels slabs have revealed differences in carbohydrate content of various components that were previously undetected.
Volume 24,
Issue 8,
pp. 908-914,
08/01/1976
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