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.

ATR T454-p
Regulatory protein:
Chk2 T454-p
TBK1 S675-p , S678-p
angiotensin_2 S124-p
dasatinib S124-p
EGF S124-p , S675-p , S678-p , S681-p
etoposide T454-p
ionizing_radiation T454-p
ischemia T35-p , S124-p , S675-p , S678-p , S681-p
metastatic potential S675-p , S678-p , S681-p
MG132 K93-ub
nocodazole T35-p , S124-p , T484-p , S675-p , S678-p , S681-p
SB202190 S678-p , S681-p
U0126 S124-p , S678-p , S681-p
UV T454-p
vorinostat K742-ub