title: Functional Anchoring of the cAMP-Dependent Protein Kinase.
abstract: The precision of cAMP-responsive events is controlled in part through compartmentalization of the signal transduction machinery. Recent evidence suggests that the cAMP-dependent protein kinase (PKA) is localized to specific subcellular compartments through association with A Kinase Anchoring Proteins (AKAPs). The AKAPs now represent a functionally related family of regulatory proteins that contain a conserved PKA binding domain and unique targeting sequences that direct the PKA-AKAP complex to subcellular structures. In this review, the recent evidence suggesting that AKAPs facilitate PKA anchoring close to key membrane substrates, such as glutamate receptors, calcium-activated potassium channels, and skeletal or cardiac muscle calcium channels, is surveyed.
authors.affiliation: Department of Pharmacology, University of Washington, Seattle, Washington, USA.
authors.forename: B J
authors.initials: BJ
authors.lastname: Murphy
authors.forename: J D
authors.initials: JD
authors.lastname: Scott