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.

PKACA S301-p
Regulatory protein:
CRF-R1 iso2 T399-p
colforsin S301-p
CRF T399-p