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.

ATM S398-p
CK2A1 S370-p
GSK3B T366-p
Regulatory protein:
ATR S398-p
Huntingtin S380-p
differentiation S380-p , T382-p , T383-p
etoposide S398-p
H2O2 S380-p
ionizing_radiation S398-p
KU-55933 S398-p
lithium T366-p , S370-p
MNNG S398-p
NVP-BKM120 S398-p
siRNA S398-p
VE-821 S398-p