11766
Characterization of the NF-kappa B1 promoter identified an Egr-1 site which was found to be essential for both the PMA / PHA -mediated induction as well as the synergistic activation observed after the expression of the RelA subunit of NF-kappa B and Egr-1 .
 ( DNA: Egr-1 site, None) , ( protein: NF-kappa B, None) , ( protein: Egr-1, None) , ( protein: PHA, None) , ( DNA: NF-kappa B1 promoter, 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: Egr-1 site, None) , ( protein: NF-kappa B, None) , ( protein: Egr-1, None) , ( protein: PHA, None) , ( DNA: NF-kappa B1 promoter, None) 