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.

DYRK4 Y264-p
Regulatory protein:
FGFR1 Y264-p
Treatment:
FGF2 Y264-p
U0126 Y264-p