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.

[Q]:  Overexpression of wild type and SeCys / Cys mutant of human thioredoxin reductase in E . coli : the role of selenocysteine in the catalytic activity .
[A]: human thioredoxin reductase


[Q]:  We examined the mechanisms by which two different types of photonic radiation , short wavelength UV ( UV - C ) and gamma radiation , activate transcription factor NF - kappaB .
[A]: NF - kappaB


[Q]:  Reduced risk of upper gastrointestinal ulcer complications with celecoxib , a novel COX - 2 inhibitor .
[A]:
COX - 2