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.

PLK1 S426-p , T495-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.

PLK1 S426-p , T495-p
Treatment:
BI2536 S469-p , S473-p , T495-p
caffeine T495-p
GSK461364A T495-p
MG132 S160-p
MG132_withdrawal T71-p , S141-p , S143-p , S160-p , S469-p
MLN8054 S469-p , S473-p
nocodazole T17-p , S40-p , S120-p , S141-p , S143-p
volasertib T495-p