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]: Human normal peripheral blood B - lymphocytes are deficient in DNA - dependent protein kinase activity due to the expression of a variant form of the Ku86 protein .
[EX A]: Ku86 protein

[EX Q]: Quantitative determination of glucocorticoid receptor levels in acute lymphoblastic leukemia may be of value both as an independent prognostic variable and in suggesting which patients should receive glucocorticoid therapy .
[EX A]: glucocorticoid receptor

[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