388
The AP-1 binding proteins contained c-Jun , Jun-D , and Fra-1 , but marginal amounts of Jun-B and c-Fos .
 ( protein: c-Jun, None) , ( protein: AP-1 binding proteins, None) , ( protein: c-Fos, None) , ( protein: Jun-B, None) , ( protein: Jun-D, None) , ( protein: AP-1, None) , ( protein: Fra-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-Jun, None) , ( protein: AP-1 binding proteins, None) , ( protein: c-Fos, None) , ( protein: Jun-B, None) , ( protein: Jun-D, None) , ( protein: AP-1, None) , ( protein: Fra-1, None) 