5821
Furthermore, Tax -induced transactivation of the bcl-x promoter was also diminished by the mutant IkappaBalpha , which specifically inhibits NF-kappaB activity.
 ( protein: NF-kappaB, None) , ( DNA: bcl-x promoter, None) , ( protein: mutant IkappaBalpha, None) , ( protein: Tax, 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) , ( DNA: bcl-x promoter, None) , ( protein: mutant IkappaBalpha, None) , ( protein: Tax, None) 