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.

Lck Y1176-p
Src Y1176-p
Putative upstream phosphatases:
ACP1 Y1176-p
serum S1217-p
vanadate Y1176-p