13915
TNFRI has been recently shown to activate NF-kappaB through association with TRADD , RIP , and TRAF2 ; activation of the NF-kappaB -inducing kinase ( NIK ); activation of the IkappaB alpha kinases ( IKKalpha and IKKbeta ); and phosphorylation of IkappaB alpha .
 ( protein: NIK, None) , ( protein: NF-kappaB, None) , ( protein: TRADD, None) , ( protein: IKKalpha, None) , ( protein: RIP, None) , ( protein: NF-kappaB, None) , ( protein: TNFRI, None) , ( protein: IKKbeta, None) , ( protein: NF-kappaB -inducing kinase, None) , ( protein: IkappaB alpha kinases, None) , ( protein: TRAF2, None) , ( protein: IkappaB alpha, 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: NIK, None) , ( protein: NF-kappaB, None) , ( protein: TRADD, None) , ( protein: IKKalpha, None) , ( protein: RIP, None) , ( protein: NF-kappaB, None) , ( protein: TNFRI, None) , ( protein: IKKbeta, None) , ( protein: NF-kappaB -inducing kinase, None) , ( protein: IkappaB alpha kinases, None) , ( protein: TRAF2, None) , ( protein: IkappaB alpha, None) 