SEARCH Articles Figures Tables Displacement reactions, nucleophilic Kinases, Phosphatases, Transferases HPr kinase/phosphatase Kinase and phosphatase enzymes Kinase-associated protein phosphatase MAP kinase phosphatase Mitogen-activated protein kinase phosphatases Phosphatases phosphoryl group transfer kinases Protein kinase-phosphatase cascade Protein kinase-phosphatase cascade second messenger Pyridoxal kinase, pyridoxamine phosphatase Pyridoxal-5-phosphate Phosphatase 4 Pyridoxine Kinase