14684
In contrast, AP-1 from PHA-activated cells contains c-Jun and low levels of c-Fos .
 ( protein: c-Fos, None) , ( protein: c-Jun, None) , ( cell type: PHA-activated cells, None) , ( protein: AP-1, 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: c-Fos, None) , ( protein: c-Jun, None) , ( cell type: PHA-activated cells, None) , ( protein: AP-1, None) 