13703
MKP-1 inactivates MAP kinase and therefore may interfere with the activation of c-jun and c-fos .
 ( DNA: c-jun, None) , ( protein: MKP-1, None) , ( DNA: c-fos, None) , ( protein: MAP kinase, 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:
 ( DNA: c-jun, None) , ( protein: MKP-1, None) , ( DNA: c-fos, None) , ( protein: MAP kinase, None) 