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.
TrkA	Y490-p , Y670-p , Y674-p , Y675-p , Y751-p , Y785-p

Phosphatases, in vitro:
PTPN9	Y490-p , Y674-p , Y675-p

Regulatory protein:
SH2-B-beta	Y490-p , Y674-p , Y675-p

Treatment:
BDNF	Y490-p , Y674-p , Y675-p
NGF	Y490-p , Y670-p , Y674-p , Y675-p
PP2	Y490-p
TeTx	Y490-p , Y674-p , Y675-p