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 Input:
 We have also detected a DNA - protein interaction that may be involved in the cell - type specificity of immunoglobulin expression , and we have determined that a sequence upstream of the octamer participates in an interaction with a nuclear protein ( s ) .

Ex Output:
nuclear protein


Ex Input:
 Direct and indirect signaling mechanisms , including NF - kappaB activation and cytokine synthesis , were analyzed .

Ex Output:
NF - kappaB


Ex Input:
 To examine the effect of glucocorticoid deficiency on the glucocorticoid receptor , we examine the binding of [ 3H ] dexamethasone to lymphocytes in normal subjects and patients with adrenal insufficiency before and after glucocorticoid replacement therapy .

Ex Output:

glucocorticoid receptor