14673
Enhanced IL-2 transcription correlates with increased c-fos synthesis and increased Fos content of AP-1 .
 ( protein: IL-2, None) , ( protein: c-fos, None) , ( protein: AP-1, None) , ( protein: Fos, 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) , ( protein: c-fos, None) , ( protein: AP-1, None) , ( protein: Fos, None) 