Kinase, in vitro: An enzyme-substrate reaction that occurs in non-living experimental conditions such as a test tube. For example, a purified enzyme is reacted with a substrate protein or mixture of proteins or peptides.
CK2A1	S394-p

Regulatory protein:
DUSP6	S394-p
Raptor	S422-p , S424-p
RICTOR	S422-p , S424-p

Treatment:
CK2-VIII	S422-p , S424-p
colforsin	S422-p , S424-p
endothelin	S394-p
isoproterenol	S394-p
NAG-thiazoline	S4-p
okadaic_acid	S4-p
PDGF	S394-p
phenylephrine	S394-p
PUGNAc	S4-p
SB202190	S394-p
serum	S394-p