Kinase, in vitro: 

An enzyme-substrate reaction that occurs in non-living experimental conditions such as a test tube. For example, a purified enzyme is reacted with a substrate protein or mixture of proteins or peptides.

PKCA S66-p , S70-p
 Putative in vivo kinases: 

An enzyme-substrate reaction that occurs within living cells; includes cultured cells, ex vivo samples, and intact organisms. In the case of kinases, the large number of protein kinases in intact cells makes exact identification of the responsible kinase challenging.

PKCA S66-p , S70-p
EGF S66-p , S70-p
Go_6976 S66-p , S70-p
PD98059 S66-p , S70-p
phorbol_ester S66-p , S70-p
U0126 S66-p , S70-p