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Regulation of protein kinase c-epsilon function in fibroblasts by a ser729 phosphatase b-cop and myosin

ReferenceC14680
Principal Investigator / Supervisor Dr Martin Rumsby
Co-Investigators /
Co-Supervisors
Dr Karen England
Institution University of York
DepartmentBiology
Funding typeResearch
Value (£) 217,716
StatusCompleted
TypeResearch Grant
Start date 02/07/2001
End date 01/04/2005
Duration45 months

Abstract

Our results indicate that phosphorylation of Ser729 in protein kinase C-epsilon in cells specifies a perinuclear localisation: without this phosphate the kinase is cytosolic. This study aims to characterise the protein phosphatase involved in Ser729 dephosphorylation, the signals that activate it on cell passage and that inhibit it as cells grow to confluence. We will establish precisely what organelle PKE-e is associated with at the perinuclear site. Mutagenicity studies will reveal how phosphorylation at Ser729 specifies interactions with binding proteins, b-COP and myosin while GFP-conjugated PKC-e constructs will define how phosphorylation determines intracellular localisation. This research will extend knowledge on PKC-e function.

Summary

unavailable
Committee Closed Committee - Biochemistry & Cell Biology (BCB)
Research TopicsX – not assigned to a current Research Topic
Research PriorityX – Research Priority information not available
Research Initiative X - not in an Initiative
Funding SchemeX – not Funded via a specific Funding Scheme
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