Structural Basis for the Specificity of Protein Phosphorylation and Dephosphorylation Processes

  • Lorenzo A. Pinna
Part of the Advances in Experimental Medicine and Biology book series (NATO ASI F, volume 231)


The phosphorylation of seryl, threonyl and tyrosyl residues is in most instances a reversible process, affecting only a minority of the whole cellular proteins and resulting from the coordinated activity of protein kinases and protein phosphatases (reviewed in 1) . Both these classes of enzymes therefore must be endowed with more or less pronounced time and substrate selectivity. Timeliness is mainly ensured by extra- and intracellular stimuli, either directly or through the generation of second messengers, like cyclic nucleotides, Ca2+, diacylglycerols etc, and by physiological inhibitors, that can modulate the activity of the phosphorylating and dephosphorylating enzymes.


Protein Kinase Protein Phosphatase Casein Kinase Peptide Substrate Dependent Protein Kinase 
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Copyright information

© Springer Science+Business Media New York 1988

Authors and Affiliations

  • Lorenzo A. Pinna
    • 1
  1. 1.Istituto di Chimica BiologicaUniversità di PadovaPadovaItaly

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