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]: Determination of dimethylarginine dimethylaminohydrolase activity in the kidney.
[A]: dimethylarginine dimethylaminohydrolase


[Q]: Central effects of fexofenadine and cetirizine: measurement of psychomotor performance, subjective sleepiness, and brain histamine H1-receptor occupancy using 11C-doxepin positron emission tomography.
[A]: histamine H1-receptor


[Q]: Coming full circle: contributions of central and peripheral oxytocin actions to energy balance.
[A]:
oxytocin