Sensory transduction in bacterial chemotaxis involves phosphotransfer between Che proteins - PubMed (original) (raw)
Sensory transduction in bacterial chemotaxis involves phosphotransfer between Che proteins
D Wylie et al. Biochem Biophys Res Commun. 1988.
Abstract
The CheA protein of the Salmonella typhimurium chemotaxis system is phosphorylated by ATP. Phospho-CheA transfers its phosphoryl group to a second chemotaxis protein, CheY. Unlike phospho-CheA, phospho-CheY is relatively unstable, rapidly decaying to phosphate and CheY. We propose that phosphorylation of CheY may play a role in its function as a tumble regulator to control motor behavior in response to attractant and repellent stimuli.
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