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A 55 kDa plasma membrane-associated polypeptide is involved in beta-1,3-glucan synthase activity in pea tissue
1Department of Biological Sciences, Stanford University, CA 94305.
FEBS Letters
|January 28, 1991
Abstract:
By glycerol gradient centrifugation of a detergent-solubilized plasma membrane fraction from pea tissue, we find a polypeptide of 55 kDa that copurifies with beta-1,3-glucan synthase activity. An antiserum against this polypeptide adsorbs glucan synthase activity and the 55 kDa polypeptide from digitonin-solubilized plasma membrane. These results indicate that the 55 kDa polypeptide is involved in pea beta-1,3-glucan synthase activity.