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.

CDK2 S33-p , S37-p , T41-p , S45-p
GSK3B S33-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.

CDK2 S33-p , S37-p , T41-p , S45-p
CK1A S45-p
GSK3B S33-p , S37-p , T41-p , S45-p
Regulatory protein:
APP S33-p , S37-p , T41-p , S45-p
Treatment:
exercise S33-p , S37-p , T41-p
insulin S33-p , S37-p , T41-p
lithium S33-p , S37-p , T41-p , S45-p
LLnL S33-p , S37-p , T41-p , S45-p
MG132 S33-p , S37-p , T41-p , S45-p
PD184352 S191-p
seliciclib S33-p , S37-p , T41-p , S45-p
serum S191-p , S552-p