12691
Conserved elements containing NF-E2 and tandem GATA binding sites are required for erythroid-specific chromatin structure reorganization within the human beta-globin locus control region .
 ( DNA: human beta-globin locus control region, None) , ( DNA: erythroid-specific chromatin structure, None) , ( DNA: Conserved elements, 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:
 ( DNA: human beta-globin locus control region, None) , ( DNA: erythroid-specific chromatin structure, None) , ( DNA: Conserved elements, None) 