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]:  The clr1 locus regulates the expression of the cryptic mating - type loci of fission yeast .
[EX A]: clr1 locus

[EX Q]:  In addition to TAK1 , TGF - beta also stimulated JNK activity .
[EX A]:
TGF - beta