13640
In contrast, a dominant negative mutant of IKK2 inhibited LPS induction of kappaB -dependent transcription in a dose-dependent manner .
 ( protein: kappaB, None) , ( protein: IKK2, 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: kappaB, None) , ( protein: IKK2, None) 