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.

[Q]: Therapeutic targets in melanoma: map kinase pathway.
[A]: map kinase

[Q]: Angiotensin AT1 receptor antagonist losartan and the defence reaction in the anaesthetised rat. Effect on the carotid chemoreflex.
[A]: AT1 receptor

[Q]: Differential binding mode of diverse cyclooxygenase inhibitors.
[A]:
cyclooxygenase