13918
Dominant negative mutants of NIK , IKKalpha , or IKKbeta substantially inhibited NF-kappaB activation by LMP1 or by each of its effector sites .
 ( protein: IKKalpha, None) , ( protein: NIK, None) , ( protein: effector sites, None) , ( protein: LMP1, None) , ( protein: Dominant negative mutants, None) , ( protein: IKKbeta, 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: IKKalpha, None) , ( protein: NIK, None) , ( protein: effector sites, None) , ( protein: LMP1, None) , ( protein: Dominant negative mutants, None) , ( protein: IKKbeta, None) , ( protein: NF-kappaB, None) 