Article
Structure and function of an unusual family of protein phosphatases: the bacterial chemotaxis proteins CheC and CheX.
Molecular cell - 19 Nov 2004
Park Sang-Youn, Chao Xingjuan, Gonzalez-Bonet Gabriela, Beel Bryan D, Bilwes Alexandrine M, Crane Brian R
Abstract excerpt
In bacterial chemotaxis, phosphorylated CheY levels control the sense of flagella rotation and thereby determine swimming behavior. In E. coli, CheY dephosphorylation by CheZ extinguishes the switching signal. But, instead of CheZ, many chemotactic bacteria contain CheC, CheD, and/or CheX. The crystal structures of T. maritima CheC and CheX reveal a common fold unlike that of any other known protein. Unlike CheC,...
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