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.

ERK1 T613-p
ERK2 T613-p
colforsin T613-p
IBMX T613-p
progesterone T613-p
seliciclib T613-p