10243
These included both p50/p50 and p50/p65 dimers , recognized by specific antibodies in EMSA .
 ( protein: p50/p50, None) , ( protein: p50/p65 dimers, None) , ( protein: specific antibodies, 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: p50/p50, None) , ( protein: p50/p65 dimers, None) , ( protein: specific antibodies, None) 