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.

SRPK1 S8-p , S10-p , S56-p , S69-p
Phosphatases, in vitro:
PPP1CC iso2 S56-p
Putative upstream phosphatases:
PPP1CC iso2 S56-p