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.

CK2A1 S355-p
MG132 K101-ub
PI-103 S99-p
rapamycin S546-p , T550-p