In this task, you are given a sentence. You are expected to recognize the name of gene or protein. Although there might be several correct answers, you need to write one of them.

[EX Q]: Activation of the anti-cancer agent upamostat by the mARC enzyme system.
[EX A]: mARC

[EX Q]: Monoamine transporter and sodium channel mechanisms in the rapid pressor response to cocaine.
[EX A]: sodium channel

[EX Q]: Adenosine deaminase is a specific partner for the Grb2 isoform Grb3-3.
[EX A]:
Grb2