11867
Therefore, inactivation of the IgH 3' enhancer is a multifactorial process affecting several transcription factors that control the cell-specific and developmental activity of the enhancer .
 ( protein: transcription factors, None) , ( DNA: IgH 3#$%# enhancer, None) , ( DNA: enhancer, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( protein: transcription factors, None) , ( DNA: IgH 3#$%# enhancer, None) , ( DNA: enhancer, None) 