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]: Molecular mechanism regulating 24-hour rhythm of dopamine d3 receptor expression in mouse ventral striatum.
[EX A]: dopamine d3 receptor

[EX Q]: Analgesia and COX-2 inhibition.
[EX A]: COX-2

[EX Q]: Switchable Elastin-Like Polypeptides that Respond to Chemical Inducers of Dimerization.
[EX A]:
Elastin-Like Polypeptides