2530
IL-1 beta and IL-6 genes contain AP-1 binding sites as regulatory elements , the AP-1 protein being composed of c-jun and c-fos gene products .
 ( protein: IL-6, None) , ( protein: IL-1 beta, None) , ( DNA: IL-6 genes, None) , ( protein: AP-1, None) , ( protein: AP-1, None) , ( DNA: AP-1 binding sites, None) , ( DNA: IL-1 beta and IL-6 genes, None) , ( DNA: regulatory elements, 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-6, None) , ( protein: IL-1 beta, None) , ( DNA: IL-6 genes, None) , ( protein: AP-1, None) , ( protein: AP-1, None) , ( DNA: AP-1 binding sites, None) , ( DNA: IL-1 beta and IL-6 genes, None) , ( DNA: regulatory elements, None) 