2595
We have demonstrated that native envelope glycoproteins of HIV-1 , gp160 can induce activation of the transcription factor , NF-kappa B .
 ( protein: NF-kappa B, None) , ( protein: native envelope glycoproteins, None) , ( protein: transcription factor, 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, None) , ( protein: native envelope glycoproteins, None) , ( protein: transcription factor, None) 