5081
As assessed with mutagenized promoters , the most important IL-2 cis-regulatory elements in normal T cells are the proximal AP-1 site and the NF- kappaB site .
 ( DNA: mutagenized promoters, None) , ( DNA: NF- kappaB site, None) , ( protein: IL-2, None) , ( protein: NF- kappaB, None) , ( DNA: IL-2 cis-regulatory elements, None) , ( DNA: proximal AP-1 site, None) , ( cell type: normal T cells, None) , ( protein: AP-1, 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: mutagenized promoters, None) , ( DNA: NF- kappaB site, None) , ( protein: IL-2, None) , ( protein: NF- kappaB, None) , ( DNA: IL-2 cis-regulatory elements, None) , ( DNA: proximal AP-1 site, None) , ( cell type: normal T cells, None) , ( protein: AP-1, None) 