how-does-camp-activate-protein-kinase-a-pka

Question

How does cAMP activate protein kinase A (PKA)?

Accepted Answer

By allosterically binding to the regulatory subunit, causing its release from the active site.

Answer

By binding to the catalytic subunit and inhibiting its activity.

Answer

By directly phosphorylating the catalytic subunit of PKA.

Answer

By increasing the concentration of calcium ions.