9908
NF-kappaB , which resides in an inactive, cytoplasmic complex in unstimulated cells , is activated by phosphorylation and degradation of its inhibitory subunit , IkappaB .
 ( protein: NF-kappaB, None) , ( cell line: unstimulated cells, None) , ( protein: inhibitory subunit, None) , ( protein: IkappaB, None) , ( protein: cytoplasmic complex, 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) , ( cell line: unstimulated cells, None) , ( protein: inhibitory subunit, None) , ( protein: IkappaB, None) , ( protein: cytoplasmic complex, None) 