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.
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Question:  Thymocytes and T cells from IkappaBalpha ( DeltaN ) transgenic mice expressed normal levels of IL - 2R subunits .

Answer: IL - 2R


Question:  Electrophoretic - mobility - shift assays showed that the core promoter ETS motif binds an Ets - related protein specifically expressed at high levels in CD4 + cells .

Answer: core promoter


Question:  BMS - 189453 , a novel retinoid receptor antagonist , is a potent testicular toxin .

Answer:
retinoid receptor