8 cpt cyclic amp (sodium salt)

Rp-8-CPT-cAMP is a structural combination of the lipophilic and non-hydrolyzable cAMP analogs, 8-CPT-cyclic AMP and Rp-cyclic AMPS .[1] It functions as a site-selective inhibitor of protein kinase A (PKA) type I and II, with preference towards site A of type I and site B of type II.2 By occupying cAMP binding sites at the regulatory subunit of PKA, Rp-8-CPT-cAMP prevents the kinase holoenzyme from dissociative activation.[2],[3]

8-CPT-Cyclic AMP sodium is an activator of cAMP-dependent PKA and cAMP receptor activator, and also an inhibitor of cAMP-specific phosphodiesterase (PDE VA) (IC50 = 0.9 μM). The IC50 values for PDE III and PDE IV are 24 and 25 μM, respectively.