11002
As expected, LPS strongly induced the formation of two NF-kappa B DNA-binding activities , one of which was identified as RelA /p50 .
 ( protein: /p50, None) , ( protein: NF-kappa B, None) , ( protein: RelA, None) , ( protein: RelA /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: NF-kappa B, None) , ( protein: RelA, None) , ( protein: RelA /p50, None) 