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We have recently found a novel conserved motif in the promoters of several T-cell-expressed cytokines [ human interleukin -2 , -4 , -5 and -13 and human and mouse granulocyte/macrophage-colony stimulating factor ( GM-CSF )].
 ( protein: T-cell-expressed cytokines, None) , ( protein: GM-CSF, None) , ( DNA: promoters, None) , ( protein: cytokines, None) , ( DNA: conserved motif, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( protein: T-cell-expressed cytokines, None) , ( protein: GM-CSF, None) , ( DNA: promoters, None) , ( protein: cytokines, None) , ( DNA: conserved motif, None) 