Article
Reversible adenylylation of glutamine synthetase is dynamically counterbalanced during steady-state growth of Escherichia coli.
Journal of molecular biology - 3 Dec 2010
Okano Hiroyuki, Hwa Terence, Lenz Peter, Yan Dalai
Abstract excerpt
Glutamine synthetase (GS) is the central enzyme for nitrogen assimilation in Escherichia coli and is subject to reversible adenylylation (inactivation) by a bifunctional GS adenylyltransferase/adenylyl-removing enzyme (ATase). In vitro, both of the opposing activities of ATase are regulated by small effectors, most notably glutamine and 2-oxoglutarate. In vivo, adenylyltransferase (AT) activity is critical for...
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