15013
This region binds an inducible, T-cell-specific factor over its 5' end , a site that is necessary for the expression of IL-3 in the absence of other upstream elements.
 ( DNA: 5#$%# end, None) , ( protein: T-cell-specific factor, None) , ( protein: IL-3, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( DNA: 5#$%# end, None) , ( protein: T-cell-specific factor, None) , ( protein: IL-3, None) 