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Title: Dephosphorylation of the deinhibitor protein by the PCSH protein phosphatase
Authors: Goris, Jozef ×
Waelkens, Etienne
Merlevede, Wilfried #
Issue Date: Oct-1985
Series Title: FEBS Letters vol:188 issue:2 pages:262-6
Abstract: The deinhibitor protein, responsible for the decreased sensitivity of the ATP,Mg-dependent protein phosphatase to inhibitor-1 and the modulator protein, is inactivated by cyclic AMP-dependent protein kinase and reactivated by dephosphorylation. The specificity of this reaction was tested with the ATP,Mg-dependent phosphatase in its activated or spontaneously active form, four different forms of polycation-stimulated phosphatases (PCSH, PCSM, PCSL and PCSC) and calcineurin. Only the high -Mr polycation-stimulated protein phosphatase (PCSH), but not its catalytic subunit (PCSC), shows a high degree of specificity for the deinhibitor protein. Deinhibitor phosphatase activity of PCSH is affected neither by polycations nor by Mn ions.
URI: 
ISSN: 0014-5793
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Biochemistry Section (Medicine) (-)
Laboratory of Phosphoproteomics (-)
Laboratory of Protein Phosphorylation and Proteomics
× corresponding author
# (joint) last author

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