The methionine-repressible homoserine dehydrogenase and aspartokinase activities of Escherichia coli K 12. Preparation of the homogeneous protein catalyzing the two activities. Molecular weight of the native enzyme and of its subunits.

The methionine-repressible homoserine dehydrogenase and aspartokinase activities of Escherichia coli K 12. Preparation of the homogeneous protein catalyzing the two activities. Molecular weight of the native enzyme and of its subunits.