Kinase activity of EnvZ, an osmoregulatory signal transducing protein of Escherichia coli.

@article{Kenney1997KinaseAO,
  title={Kinase activity of EnvZ, an osmoregulatory signal transducing protein of Escherichia coli.},
  author={Linda J Kenney},
  journal={Archives of biochemistry and biophysics},
  year={1997},
  volume={346 2},
  pages={303-11}
}
  • Linda J Kenney
  • Published 1997 in Archives of biochemistry and biophysics
EnvZ is an inner membrane protein present in Escherichia coli that is important for osmosensing and required for porin gene regulation. EnvZ is phosphorylated by intracellular ATP, and EnvZ-P phosphorylates OmpR, which then binds to the porin promoters to regulate their expression. An overexpressed, truncated form of the enzyme, EnvZ115, was used to characterize the kinase reaction in vitro. Using a filter binding assay, we report the first direct measurements of the kinase activity, including… CONTINUE READING

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