3219
The Rel/NF-kappa B proteins , p50 , p52 , p65 , c-Rel , and RelB , constitute a family of transcription factors involved in the positive regulation of a variety of genes during the immune response .
 ( protein: transcription factors, None) , ( protein: p50, None) , ( protein: p52, None) , ( protein: RelB, None) , ( protein: p65, None) , ( protein: Rel/NF-kappa B proteins, 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: transcription factors, None) , ( protein: p50, None) , ( protein: p52, None) , ( protein: RelB, None) , ( protein: p65, None) , ( protein: Rel/NF-kappa B proteins, None) , ( protein: c-Rel, None) 