3913
An unidentified Ets family protein binds to the EBS overlapping the consensus GAS motif and appears to negatively regulate the human IL-2R alpha promoter .
 ( DNA: EBS, None) , ( protein: Ets family protein, None) , ( DNA: consensus GAS motif, None) , ( DNA: human IL-2R alpha promoter, 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: EBS, None) , ( protein: Ets family protein, None) , ( DNA: consensus GAS motif, None) , ( DNA: human IL-2R alpha promoter, None) 