14493
The transcriptionally active factors mediating the effect of the HTLV-I Tax transactivator on the IL-2R alpha kappa B enhancer include the product of the c-rel proto-oncogene .
 ( protein: transcriptionally active factors, None) , ( DNA: IL-2R alpha kappa B enhancer, None) , ( protein: HTLV-I Tax transactivator, None) , ( protein: IL-2R, None) , ( protein: HTLV-I Tax, None) , ( DNA: c-rel proto-oncogene, 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: transcriptionally active factors, None) , ( DNA: IL-2R alpha kappa B enhancer, None) , ( protein: HTLV-I Tax transactivator, None) , ( protein: IL-2R, None) , ( protein: HTLV-I Tax, None) , ( DNA: c-rel proto-oncogene, None) 