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]:  In contrast , ablation of either Lck - binding domain abolished the ability of Tip to stimulate NF - AT - dependent transcription .
[A]: NF - AT


[Q]:  Preferential transcription of HTLV - I LTR in cell - free extracts of human T cells producing HTLV - I viral proteins .
[A]: viral proteins


[Q]:  Furthermore , preincubation of lymphocytes with D609 resulted in a significant diminution of ionizing radiation ( IR ) - induced 1 ) production of reactive oxygen species ; 2 ) decrease in intracellular reduced glutathione ; 3 ) oxidative damage to proteins and lipids ; and 4 ) activation of nuclear factor - kappaB .
[A]:
nuclear factor