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.

PKG1 S309-p , T388-p
Regulatory protein:
caveolin-2 S423-p , S425-p
TDGF1 S423-p , S425-p
bleomycin S423-p , S425-p
KT5823 S309-p , T388-p
nusinersen S423-p , S425-p
SB431542 S423-p , S425-p
TGF-beta S309-p , T388-p , S423-p , S425-p