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]: 7 - Nitroindazole ( 7NI ) , a relatively selective neuronal nitric oxide synthase ( nNOS ) inhibitor . was intraperitoneally administered to the guinea pigs 30 minutes before the onset of local anoxia .
[EX A]: nitric oxide synthase

[EX Q]: Mycobacterium tuberculosis inhibits IFN - gamma transcriptional responses without inhibiting activation of STAT1 .
[EX A]: IFN - gamma

[EX Q]: Glutathione reductase ( GR ) was purified from the cyanobacterium Anabaena PCC 7120 .
[EX A]:
Glutathione reductase