7353
The transcription factor , NF-kappaB , is important for T-cell activation , B-cell maturation , and human immunodeficiency virus transcription and plays a role in alternatively mediating and protecting against apoptosis in a variety of cell types.
 ( protein: transcription factor, None) , ( protein: NF-kappaB, 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 factor, None) , ( protein: NF-kappaB, None) 