Protein kinases and phosphatases

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These enzymes phosphorylate or dephosphorylate other proteins. By definition, they use ATP (or GTP) as the phosphoryl group donor (as opposed to phosphotransferases of the phosphotranferase system and the phosphorelay).

Protein kinases

Protein arginine kinases

Protein serine kinases

Protein tyrosine kinases (see the Bacterial Protein Tyrosine Kinase Database)

  • PtkA
  • EpsB: similar to PtkA, but has probably no kinase activity

Protein kinases of two-component systems

Protein phosphatases

Protein arginine phosphatases

Protein serine phosphatases

Protein tyrosine phosphatases

Protein aspartate phosphatases controlling the phosphorelay

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