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Cereal Chem 62:213-218   |  VIEW ARTICLE
Elevated Protein-Bound Methionine in Seeds of a Maize Line Resistant to Lysine Plus Threonine.

R. L. Phillips and B. A. McClure. Copyright 1985 by the American Association of Cereal Chemists, Inc. 

Protein fractions were analyzed from inbred maize lines with a variety of seedling responses to lysine plus threonine (LT) inhibition. Previous work has shown that BSSS-53, an LT-resistant inbred, had an elevated whole kernel methionine concentration. This report shows that BSSS-53 has an elevated zein-2 methionine concentration accounted for by: 1) an increase in the proportion of sulfur-rich low-molecular weight zeins in zein-2 and 2) an increased methionine concentration in the 10-kd zein fraction.

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