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]:  The lack of NF - kappa B transactivation and PKC epsilon expression in CD4 ( + ) CD8 ( + ) thymocytes correlates with negative selection .
[EX A]: PKC epsilon

[EX Q]:  Taken together , these data show that the activation of PKCtheta by the TCR and CD28 plays an important role in the assembly and activation of IKK complexes in the T cell membrane
[EX A]:
IKK complexes