4649
There are four putative NF-kappa B binding sites ( kappa B-1 , kappa B-2 , kappa B-3 , kappa B-4 ) in human TNF-alpha promoter .
 ( DNA: kappa B-2, None) , ( protein: NF-kappa B, None) , ( protein: human TNF-alpha, None) , ( DNA: kappa B-1, None) , ( DNA: human TNF-alpha promoter, None) , ( DNA: NF-kappa B binding sites, None) , ( DNA: kappa B-4, None) , ( DNA: kappa B-3, 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: kappa B-2, None) , ( protein: NF-kappa B, None) , ( protein: human TNF-alpha, None) , ( DNA: kappa B-1, None) , ( DNA: human TNF-alpha promoter, None) , ( DNA: NF-kappa B binding sites, None) , ( DNA: kappa B-4, None) , ( DNA: kappa B-3, None) 