8209
Using antibodies against the p50 and p65 subunits of NF-kappaB in EMSAs , the involvement of both p50 and p65 proteins was further demonstrated.
 ( protein: p50, None) , ( protein: p65 subunits, None) , ( protein: p65 proteins, None) , ( protein: NF-kappaB, None) , ( protein: p50, 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, None) , ( protein: p65 subunits, None) , ( protein: p65 proteins, None) , ( protein: NF-kappaB, None) , ( protein: p50, None) 