13779
This suggested that Ro 09-2210 was inhibiting an activator of AP-1 which was upstream of c-jun and downstream of ras signaling .
 ( protein: ras, None) , ( protein: AP-1, None) , ( DNA: c-jun, 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: ras, None) , ( protein: AP-1, None) , ( DNA: c-jun, None) 