Differential effects of substrate on type I and type II PKA holoenzyme dissociation.


It has been widely accepted that cAMP activates the protein kinase A (PKA) holoenzyme by dissociating the regulatory and catalytic subunits, thus freeing the catalytic subunit to phosphorylate its targets. However, recent experiments suggest that cAMP does not fully dissociate the holoenzyme. Here, we investigate this mechanism further by using small-angle… (More)


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