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.

Lck Y222-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.

Lck Y222-p
insulin S143-p , S158-p , S568-p , Y754-p , Y761-p
LY294002 S143-p , S568-p
NAG-thiazoline S448-p
okadaic_acid S448-p
PP2 Y222-p
PUGNAc S448-p