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Previous work has shown that the protein kinase A (PKA)-regulated phosphodiesterase (PDE) 4D3 binds to A kinase-anchoring proteins (AKAPs). One such protein, AKAP9, localizes to the centrosome. In this paper, we investigate whether a PKA-PDE4D3-AKAP9 complex can generate spatial compartmentalization of cyclic adenosine monophosphate (cAMP) signaling at the(More)
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