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.

CK1A S63-p
GRK2 S95-p
calyculin_A S63-p
ciclosporin S63-p
colforsin S63-p
FK506 S63-p
okadaic_acid S63-p
phorbol_ester S63-p
staurosporine S63-p
thapsigargin S63-p