Introduction: Protein phosphorylation an
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Milton H. Saier Jr.
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Article
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1993
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John Wiley and Sons
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English
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## Abstract A single type of reversible proteinโphosphorylating system, the ATPโdependent protein kinase/phosphatase system, is employed in signal transduction in eukaryotes. By contrast, recent work has revealed that three types of proteinโphosphorylating systems mediate signal transduction in bac