Article
Phosphatase activity of histidine kinase EnvZ without kinase catalytic domain.
Proceedings of the National Academy of Sciences of the United States of America - 5 Jul 2000
Zhu Y, Qin L, Yoshida T, Inouye M
Abstract excerpt
Most histidine kinases are bifunctional enzymes having both kinase and phosphatase activities. The cytoplasmic kinase domain of EnvZ, a transmembrane histidine kinase functioning as an osmosensor in Escherichia coli, consists of two distinct functional subdomains: domain A [EnvZc(223-289)] and domain B [EnvZc(290-450)]. NMR studies demonstrated that domain A consists of a four-helix bundle serving as a...
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