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]:  The experiments with intact human lymphoblasts suggest that assays of specific glucocorticoid - binding capacity do not necessarily reflect the cellular content of receptor protein .
[A]: receptor protein


[Q]:  The HPV16 E7 peptide kinetics correlated with the kinetics of HPV16 E7 - specific CTL induction .
[A]: HPV16 E7


[Q]:  We also demonstrate that TPB interaction with Rel activation regions leads to synergistic activation of transcription of a kappa B - linked reporter gene .
[A]:
Rel activation regions