12692
Proper expression of the genes of the human beta-globin gene locus requires the associated locus control region ( LCR ).
 ( DNA: human beta-globin gene locus, None) , ( DNA: locus control region, None) , ( DNA: LCR, 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 gene locus, None) , ( DNA: locus control region, None) , ( DNA: LCR, None) 