12184
Our results seem to confirm a possible role of the transcriptional complex AP-1 in activating GST-pi promoter in human plasma cells .
 ( protein: AP-1, None) , ( protein: transcriptional complex, None) , ( cell type: human plasma cells, None) , ( DNA: GST-pi promoter, None) , ( protein: GST-pi, 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: AP-1, None) , ( protein: transcriptional complex, None) , ( cell type: human plasma cells, None) , ( DNA: GST-pi promoter, None) , ( protein: GST-pi, None) 