3687
Furthermore, the analysis of IkappaBalpha turnover demonstrated an increased degradation of IkappaBalpha in HIV-1 -infected cells that may account for the constitutive DNA binding activity .
 ( cell line: HIV-1 -infected cells, None) , ( protein: IkappaBalpha, None) , ( protein: IkappaBalpha, None) , ( DNA: constitutive DNA, 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:
 ( cell line: HIV-1 -infected cells, None) , ( protein: IkappaBalpha, None) , ( protein: IkappaBalpha, None) , ( DNA: constitutive DNA, None) 