The cyclic AMP is inactivated by the action of which specific enzyme?
cAMP undergoes rapid hydrolysis catalysed by the enzyme phosphodiesterase, to 5'AMP which is inactive. Caffeine and theophylline can inhibit phosphodiesterase and increase the intracellular levels of cAMP.
Phosphodiesterase
Phosphate
Protein kinase
Adenyl cyclase