Glycinin Composition of Several Perennial Species Related to Soybean

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Abstract
The 7S and 11S seed storage proteins from four perennials related to soybean (Glycine canescens, G. tomentella, G. tabacina, and G. clandestina) were analyzed by sodium dodecyl sulfate-gel electrophoresis. Each species yielded a unique electrophoretic pattern that varied in the total number of bands and their relative mobilities. In every case, the electrophoretic patterns were substantially different from CX635-1-1-1, the strain of G. max used in this study for comparison. Size heterogeneities among both the 7S and 11S polypeptides of the perennials were evident.