13620
Human T-cell leukemia virus type 1 Tax induction of NF-kappaB involves activation of the IkappaB kinase alpha ( IKKalpha ) and IKKbeta cellular kinases .
 ( protein: cellular kinases, None) , ( protein: IKKbeta, None) , ( protein: Tax, None) , ( protein: IkappaB kinase alpha, None) , ( protein: NF-kappaB, 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: cellular kinases, None) , ( protein: IKKbeta, None) , ( protein: Tax, None) , ( protein: IkappaB kinase alpha, None) , ( protein: NF-kappaB, None) , ( protein: IKKalpha, None) 