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 aromatic hydrocarbon receptor ( AHR ) is a ligand - activated transcription factor that regulates the expression of several drug - metabolizing enzymes and has been implicated in immunosuppression , teratogenesis , cell - specific hyperplasia , and certain types of malignancies and toxicities .
[A]: aromatic hydrocarbon receptor


[Q]:  No significant difference was seen found between the two groups in the degree of postoperative deterioration in cardiopulmonary function or in interleukin - 6 levels .
[A]: interleukin - 6


[Q]:  In the case of the pT181 plasmid , inactivation of the initiator RepC protein occurs by the attachment of an oligonucleotide to its active tyrosine residue .
[A]:
initiator RepC protein


