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]: Cloning, Characterization, and Sulfonamide and Thiol Inhibition Studies of an -Carbonic Anhydrase from Trypanosoma cruzi, the Causative Agent of Chagas Disease.
[EX A]: -Carbonic Anhydrase

[EX 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.
[EX A]: histamine H1-receptor

[EX Q]: Vitamin E deficiency impairs the somatostatinergic receptor-effector system and leads to phosphotyrosine phosphatase overactivation and cell death in the rat hippocampus.
[EX A]:
phosphotyrosine phosphatase