Protein kinase A
Videos
In cell biology, protein kinase A (PKA) is a family of serine-threonine kinase whose activity is dependent on cellular levels of cyclic AMP (cAMP). PKA is also known as cAMP-dependent protein kinase. PKA has several functions in the cell, including regulation of glycogen, sugar, and lipid metabolism. It should not be confused with 5'-AMP-activated protein kinase.
cAMP-dependent protein kinase hetero12mer, Sus scrofa
Adenylyl cyclase
Videos
Adenylate cyclase is an enzyme with systematic name ATP diphosphate-lyase . It catalyzes the following reaction:ATP = 3′,5′-cyclic AMP + diphosphate
Adenylate cyclase (calmodulin sensitive) trimer, Bacillus anthracis Epinephrine binds its receptor, that associates with a heterotrimeric G protein. The G protein associates with adenylyl cyclase, which converts ATP to cAMP, spreading the signal.
Beta adrenergic receptor kinase pathway