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]:  In contrast , vaccination with a peptide encoding an adenovirus type 5 ( Ad5 ) E1A CTL epitope results in CTL tolerance and enhanced growth of an Ad5 E1A - expressing tumor .
[EX A]: Ad5 E1A

[EX Q]:  We have identified a novel Kruppel - type zinc finger ( ZF ) gene , SKAT - 2 , which is selectively expressed by murine Th2 cells .
[EX A]: SKAT - 2

[EX Q]:  The kinetics of TNF - alpha mRNA expression was faster , being at its peak level 1 hr after stimulation .
[EX A]:
TNF - alpha