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.

p90RSK S2860-p
RSK2 S2860-p
RSK3 S2860-p
RSK4 S2860-p
Treatment:
colforsin S2029-p , S2860-p
SKF81297 S839-p , S1990-p , S2822-p