1227
Tax acts indirectly by inducing or modifying the action of various host transcription factors , including members of the NF-kappa B /Rel family of enhancer-binding proteins .
 ( protein: NF-kappa B /Rel family, None) , ( protein: enhancer-binding proteins, None) , ( protein: transcription factors, None) , ( protein: NF-kappa B, 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: NF-kappa B /Rel family, None) , ( protein: enhancer-binding proteins, None) , ( protein: transcription factors, None) , ( protein: NF-kappa B, None) 