6388
Kinase assays showed that TNF elicited a rapid but short-lived induction of IKK activity with a 3-fold greater effect on IKK -alpha than on IKK-beta , peaking at 5 min.
 ( protein: IKK-beta, None) , ( protein: IKK -alpha, None) , ( protein: IKK, None) , ( protein: IKK, None) , ( protein: TNF, 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: IKK-beta, None) , ( protein: IKK -alpha, None) , ( protein: IKK, None) , ( protein: IKK, None) , ( protein: TNF, None) 