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:  Macrophage stimulation with Murabutide , an HIV - suppressive muramyl peptide derivative , selectively activates extracellular signal - regulated kinases 1 and 2 , C / EBPbeta and STAT1 : role of CD14 and Toll - like receptors 2 and 4 .

SOLUTION: C / EBPbeta

PROBLEM:  Treatment of lymphocytes with cytochalasin D , which blocks actin polymerization , inhibited cap formation and produced defects in signaling and IL - 2 transcriptional induction in response to antigen - receptor signaling that were nearly identical to those seen in vav - / - cells .

SOLUTION: IL - 2

PROBLEM:  Reticulocyte lysate contains a chaperone system that assembles glucocorticoid receptor ( GR ) . hsp90 heterocomplexes .

SOLUTION:
glucocorticoid receptor