TASK DEFINITION: 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.
PROBLEM:  Binding of progestins to the glucocorticoid receptor .

SOLUTION: glucocorticoid receptor

PROBLEM:  Thus , the behavior of ZEBRA in human B cells and S . cerevisiae suggests that the protein contains universal activation motifs that interact with conserved components of the transcription machinery .

SOLUTION: universal activation motifs

PROBLEM:  These data demonstrate that Gadd45gamma is not essential for normal mouse development and hematopoiesis , possibly due to functional redundancy among the Gadd45 family members .

SOLUTION:
Gadd45 family members