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.

GUCY2D S530-p , S532-p , S533-p , S538-p
Treatment:
light S530-p , S532-p , S533-p , S538-p