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:  Quite unexpectedly , we also found that in unstimulated cells there is a constant ongoing process of degradation and replacement of complexed I kappa B alpha .

Answer: I kappa B


Question:  Vitamin D receptor quantitation in human blood mononuclear cells in health and disease .

Answer: Vitamin D receptor


Question:  Because G proteins play a central role in many diverse signaling systems , activation by an endogenous and inducible oxidant may represent a novel signaling pathway .

Answer:
G proteins