13627
Similarly, a kinase-deficient mutant of NIK ( NF-kappaB -inducing kinase ), which represents an upstream kinase in the TNF-alpha and IL-1 signaling pathways leading to IKKalpha and IKKbeta activation, blocks Tax induction of NF-kappaB .
 ( protein: NF-kappaB, None) , ( protein: NIK, None) , ( protein: NF-kappaB, None) , ( protein: kinase-deficient mutant, None) , ( protein: Tax, None) , ( protein: IKKbeta, None) , ( protein: NF-kappaB -inducing kinase, None) , ( protein: IKKalpha, 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-kappaB, None) , ( protein: NIK, None) , ( protein: NF-kappaB, None) , ( protein: kinase-deficient mutant, None) , ( protein: Tax, None) , ( protein: IKKbeta, None) , ( protein: NF-kappaB -inducing kinase, None) , ( protein: IKKalpha, None) 