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.

AMPKA1 S121-p
CK2A1 T142-p
PLK1 S415-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.

AMPKA1 S121-p
PLK1 S415-p
8-Br-AMP S121-p
compound_C S121-p
development S307-p
docetaxel S326-p
food deprivation S121-p
glutamine S230-p
H2O2 T142-p
heat_shock S230-p , S415-p
insulin S303-p , S314-p , S326-p
LPA S121-p , S123-p , T124-p
LPS S303-p , S307-p