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:  Taken together , the data indicate that 2 , 2 ' , 4 , 6 , 6 ' - PeCB induces apoptosis in human monocytic cells through a mechanism that is independent of the arylhydrocarbon receptor .

Answer: arylhydrocarbon receptor


Question:  TCF - 1 deficiency resulted in the altered usage of additional Ly - 49 receptors .

Answer: TCF - 1


Question:  The differential usage of this regulatory sequence motif is thought to be mediated by different species of octamer binding proteins .

Answer:
octamer binding proteins