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.

Ret Y54-p
Treatment:
selumetinib S484-p
Su11274 Y54-p , Y56-p
vandetanib Y54-p
vemurafenib S484-p