3912
Multiple factors including Stat5 , Elf-1 , HMG-I(Y) and GATA family proteins bind to the IL-2 response element and mutation of any one of these binding sites diminishes the activity of this element.
 ( protein: Elf-1, None) , ( protein: Stat5, None) , ( protein: GATA family proteins, None) , ( protein: IL-2, None) , ( DNA: IL-2 response element, None) , ( protein: HMG-I(Y), 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: Elf-1, None) , ( protein: Stat5, None) , ( protein: GATA family proteins, None) , ( protein: IL-2, None) , ( DNA: IL-2 response element, None) , ( protein: HMG-I(Y), None) 