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]:  Glucocorticoid antagonists are steroids that interact with the receptor but either fail to produce a stable complex or produce a stable but inefficient complex .
[A]: stable complex


[Q]:  Thus , it was concluded that C / EBP alpha and - beta were able to bind to the C / EBP motif , and that C / EBP alpha bound to the motif in THP - 1 cells and C / EBP beta bound to that in the VD3 - treated HL - 60 cells .
[A]: C / EBP


[Q]:  We have established optimal conditions for the measurement of glucocorticoid receptors ( GR ) in human white cells using a whole - cell binding assay with [ 3H ] dexamethasone as the ligand , and the subsequent determination of the GR content in normal human lymphocytes and in leukemic cells of patients with various forms of acute and chronic leukemia .
[A]:
glucocorticoid receptors