6629
LMP1 needs only 11 amino acids to activate NF-kappaB or synergize with TRADD in NF-kappaB activation , while TNFR1 requires approximately 70 residues .
 ( protein: TNFR1, None) , ( protein: NF-kappaB, None) , ( protein: NF-kappaB, None) , ( protein: TRADD, None) , ( protein: LMP1, 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: TNFR1, None) , ( protein: NF-kappaB, None) , ( protein: NF-kappaB, None) , ( protein: TRADD, None) , ( protein: LMP1, None) 