1642
Transcription from the IL-2R alpha promoter was inhibited when either the Elf-1 or the HMG-I(Y) binding site was mutated.
 ( protein: HMG-I(Y), None) , ( DNA: IL-2R alpha promoter, None) , ( protein: IL-2R alpha, None) , ( protein: Elf-1, 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: HMG-I(Y), None) , ( DNA: IL-2R alpha promoter, None) , ( protein: IL-2R alpha, None) , ( protein: Elf-1, None) 