1876
This differential binding of specific NF-kappa B /Rel subunits is likely to mediate the disparate functions of these two NF-kappa B /Rel binding sites .
 ( protein: NF-kappa B, None) , ( DNA: NF-kappa B /Rel binding sites, None) , ( protein: NF-kappa B, None) , ( protein: NF-kappa B /Rel subunits, 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: NF-kappa B, None) , ( DNA: NF-kappa B /Rel binding sites, None) , ( protein: NF-kappa B, None) , ( protein: NF-kappa B /Rel subunits, None) 