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J Bacteriol. 1969 March; 97(3): 1227-1233
Copyright © 1969 American Society for Microbiology. All Rights Reserved.
Department of Biochemistry, University of Leicester, Leicester, England
ABSTRACT
Escherichia coli K-12 synthesizes two chromatographically distinct forms of glycerate kinase which differ both in their thermolability and in the dependence of their activity upon pH. One enzymatic form, GK I, is found in cells grown with glycerate, glucarate, or glycolate. Of these compounds, glycolate is the only carbon source that elicits the synthesis of the second enzymatic form, GK II.
1 Present address: Biochemistry Division, University of Illinois, Urbana, Ill. 61801.
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