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.

CDK5 S1160-p
PD184352 S1049-p , S1053-p
PDGF S1350-p
serum S1049-p , S1053-p