1646
These findings provide significant new insights into the protein-protein and protein-DNA interactions that regulate cell-type-specific and inducible IL-2R alpha gene expression and also have implications for other genes regulated by Elf-1 and NF-kappa B family proteins .
 ( protein: Elf-1, None) , ( protein: NF-kappa B, None) , ( protein: IL-2R alpha, None) , ( protein: NF-kappa B family proteins, 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: NF-kappa B, None) , ( protein: IL-2R alpha, None) , ( protein: NF-kappa B family proteins, None) 