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Chemotaxis phosphatase, CheZ This family represents the bacterial chemotaxis phosphatase, CheZ. This protein forms a dimer characterized by a long four-helix bundle, composed of two helices from each monomer. CheZ dephosphorylates CheY in a reaction that is essential to maintain a continuous chemotactic response to environmental changes. It is thought that CheZ's conserved residue Gln 147 orientates a water molecule for nucleophilic attack at the CheY active site. |
Jiyao W et al.(2023). "The conserved domain database in 2023.",