1699
The complexes detected in electrophoretic mobility shift assays contain p50 , p65 ( RelA ), c-Rel , and most likely other components.
 ( protein: p65, None) , ( protein: RelA, None) , ( protein: p50, None) , ( protein: c-Rel, 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: p65, None) , ( protein: RelA, None) , ( protein: p50, None) , ( protein: c-Rel, None) 