Article
Structure and catalytic mechanism of the E. coli chemotaxis phosphatase CheZ.
Nature structural biology - 1 Aug 2002
Zhao Rui, Collins Edward J, Bourret Robert B, Silversmith Ruth E
Abstract excerpt
The protein CheZ, which has the last unknown structure in the Escherichia coli chemotaxis pathway, stimulates the dephosphorylation of the response regulator CheY by an unknown mechanism. Here we report the co-crystal structure of CheZ with CheY, Mg(2+) and the phosphoryl analog, BeF(3)(-). The predominant structural feature of the CheZ dimer is a long four-helix bundle composed of two helices from each monomer....
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