4813
Nuclei of unstimulated PBL from different donors expressed p62c-fos and p39c-jun , but AP-1 was not detected in the majority of samples.
 ( protein: p39c-jun, None) , ( protein: AP-1, None) , ( protein: p62c-fos, None) , ( cell type: unstimulated PBL, 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: p39c-jun, None) , ( protein: AP-1, None) , ( protein: p62c-fos, None) , ( cell type: unstimulated PBL, None) 