10814
These data indicate that functional complexes encompassing both the CD28RE and the AP-1-binding sites influence IL-2 promoter activity in CD28 -costimulated T cells .
 ( protein: IL-2, None) , ( DNA: AP-1-binding sites, None) , ( DNA: IL-2 promoter, None) , ( protein: CD28, None) , ( cell type: T cells, None) , ( DNA: CD28RE, 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: IL-2, None) , ( DNA: AP-1-binding sites, None) , ( DNA: IL-2 promoter, None) , ( protein: CD28, None) , ( cell type: T cells, None) , ( DNA: CD28RE, None) 