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.

ERK1 S333-p , S343-p
ERK2 S333-p , S343-p
Regulatory protein:
TBK1 S404-p
anti-IgM S333-p , S343-p
PD98059 S333-p , S343-p