3908
An IL-2 response element in the human IL-2 receptor alpha chain promoter is a composite element that binds Stat5 , Elf-1 , HMG-I(Y) and a GATA family protein .
 ( DNA: IL-2 response element, None) , ( protein: Elf-1, None) , ( protein: GATA family protein, None) , ( DNA: human IL-2 receptor alpha chain promoter, None) , ( protein: Stat5, None) , ( protein: HMG-I(Y), None) , ( DNA: composite element, 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: IL-2 response element, None) , ( protein: Elf-1, None) , ( protein: GATA family protein, None) , ( DNA: human IL-2 receptor alpha chain promoter, None) , ( protein: Stat5, None) , ( protein: HMG-I(Y), None) , ( DNA: composite element, None) 