8699
Furthermore, GRbeta did not antagonize the repressive effects of GRalpha on IL-2 promoter activity .
 ( protein: GRbeta, None) , ( protein: GRalpha, None) , ( DNA: IL-2 promoter, 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: GRbeta, None) , ( protein: GRalpha, None) , ( DNA: IL-2 promoter, None) 