instruction:
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.
question:
 We show in this study , using TCF - 1 beta ( 2 ) - microglobulin double - deficient mice , that these repertoire alterations are not due to Ly - 49 / MHC class I interactions .
answer:
TCF - 1


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


question:
 We now provide evidence that the tyrosine kinase inhibitor herbimycin A and the free radical scavenger N - acetyl - cysteine inhibit both radiation - induced and H2O2 - induced activation of NF - kappa B , indicating that activation triggered by ROI is dependent on tyrosine kinase activity .
answer:

tyrosine kinase