Journal
JOURNAL OF MOLECULAR ENDOCRINOLOGY
Volume 44, Issue 5, Pages 271-284Publisher
BIOSCIENTIFICA LTD
DOI: 10.1677/JME-10-0010
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Funding
- Functional Genomics Program
- Research Council of Norway
- The Norwegian Cancer Society
- Novo Nordic Research Foundation
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Protein phosphorylation is the most common post-translational modification observed in cell signaling and is controlled by the balance between protein kinase and phosphatase activities. The cAMP-protein kinase A (PKA) pathway is one of the most studied and well-known signal pathways. To maintain a high level of specificity, the cAMP-PKA pathway is tightly regulated in space and time. A-kinase-anchoring proteins (AKAPs) target PKA to specific substrates and distinct subcellular compartments providing spatial and temporal specificity in the mediation of biological effects controlled by the cAMP-PKA pathway. AKAPs also serve as scaffolding proteins that assemble PKA together with signal terminators such as phosphoprotein phosphatases and cAMP-specific phosphodiesterases as well as components of other signaling pathways into multiprotein-signaling complexes.
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