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.

[EX Q]:  These results suggest that the patient ' s glucocorticoid resistance was due to a decrease in the affinity of the receptor for glucocorticoids and a decrease in the binding of the GR complex to DNA .
[EX A]: GR complex

[EX Q]:  The functional importance of the other binding sites only became apparent when combinations of mutations were analyzed .
[EX A]: binding sites

[EX Q]:  NF - kappaB activation was also inhibited by CS .
[EX A]:
NF - kappaB