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Phosphorylation of Isocitrate Dehydrogenase of Escherichia coli

Margit Garnak and Henry C. Reeves
Science
New Series, Vol. 203, No. 4385 (Mar. 16, 1979), pp. 1111-1112
Stable URL: http://www.jstor.org/stable/1747387
Page Count: 2
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Abstract

Addition of acetate to a stationary phase culture of Escherichia coli in glycerol mineral salts medium containing phosphorus-32-labeled orthophosphate results in rapid loss of isocitrate dehydrogenase activity and concomitant incorporation of phosphorus-32 into the enzyme. This is the first example of protein phosphorylation in a bacterium in which the endogenous substrate for the protein kinase has been identified.

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