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.
CDK13	S327-p

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.

Treatment:
1NM-PP1	S327-p
MG132	K22-ub , K82-ub
nocodazole	T325-p , S327-p
siRNA	S327-p