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.

CDK5 S310-p , S397-p , S441-p
Regulatory protein:
ER-alpha S310-p , S397-p , S441-p
Treatment:
DPN S310-p , S397-p , S441-p
estradiol S310-p , S397-p , S441-p
faslodex S310-p , S397-p , S441-p
PD184352 S310-p
PD98059 S310-p , S397-p , S441-p
PP2 S310-p , S397-p , S441-p
PPT S310-p , S397-p , S441-p
PTX S310-p , S397-p , S441-p
seliciclib S310-p , S397-p , S441-p
serum S310-p
wortmannin S310-p , S397-p , S441-p