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.
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Question: Investigation of bradykinin metabolism in human and rat plasma in the presence of the dual ACE/NEP inhibitors GW660511X and omapatrilat.

Answer: bradykinin


Question: Characterization of the nitrosyl adduct of substrate-bound mouse cysteine dioxygenase by electron paramagnetic resonance: electronic structure of the active site and mechanistic implications.

Answer: mouse cysteine dioxygenase


Question: Preferential cerebrospinal fluid acetylcholinesterase inhibition by rivastigmine in humans.

Answer:
acetylcholinesterase