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.

EphB3 Y614-p
Treatment:
ephrin_B1 Y614-p , Y792-p
ephrin_B2 Y614-p
FGF2 Y614-p