7542
Involvement of NF-kappaB p50/p65 heterodimer in activation of the human pro-interleukin-1beta gene at two subregions of the upstream enhancer element .
 ( DNA: human pro-interleukin-1beta gene, None) , ( protein: NF-kappaB, None) , ( DNA: upstream enhancer element, None) , ( protein: NF-kappaB p50/p65 heterodimer, 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: human pro-interleukin-1beta gene, None) , ( protein: NF-kappaB, None) , ( DNA: upstream enhancer element, None) , ( protein: NF-kappaB p50/p65 heterodimer, None) 