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]:  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 .
[EX A]: NF - kappaB

[EX Q]:  The protein kinase C inhibitor GF - 109203X abolished the activation by phorbol ester and inhibited the effect of CCK by 78 % but had no effect on EGF - activated MAPK activity .
[EX A]: protein kinase C

[EX Q]:  Each receptor must therefore engage a unique subset of the available signaling elements - - at least partly through the selection of proteins with src - homology 2 domains ( SH2 proteins ) .
[EX A]:
SH2 proteins