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. 1984 May;75(1):225-7.
doi: 10.1104/pp.75.1.225.

Characterization of oat vicilin-like polypeptides

K Adeli  1 , I Altosaar
Affiliations

Characterization of oat vicilin-like polypeptides

K Adeli et al. Plant Physiol. 1984 May.

Abstract

The 7S and 3S globulin fractions were extracted and characterized from Avena sativa L. seeds which showed similar solubility characteristics and holoprotein size to those of the vicilin fraction in legumes. These holoproteins were characterized by sodium dodecyl sulfate-polyacrylamide gel electrophoresis, isoelectrofocussing, and two-dimensional electrophoresis. Among the components of the oat reserve globulins, the 7S fraction was capable of binding to concanavalin A-Sepharose, thus indicating it to be a glycoprotein. This pattern of the glycosylation of the reserve proteins in oat resembles that observed in certain legume seeds such as Pisum sativum and Glycine max. The results support the notion that the protein components of cereal and legume globulins may be homologous.

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