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]: The effect of a novel transition state inhibitor of methylthioadenosine phosphorylase on pemetrexed activity.
[EX A]: methylthioadenosine phosphorylase

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

[EX Q]: Comparative study on transcriptional activity of 17 parabens mediated by estrogen receptor α and β and androgen receptor.
[EX A]:
estrogen receptor α and β