719
The function of the zeta-globin promoter was studied using a series of zeta-globin promoter deletion constructs to drive luciferase expression in transiently transfected human erythroleukemia cells .
 ( DNA: zeta-globin promoter, None) , ( cell line: transiently transfected human erythroleukemia cells, None) , ( DNA: zeta-globin promoter, None) , ( protein: luciferase, None) , ( DNA: zeta-globin promoter deletion constructs, 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: zeta-globin promoter, None) , ( cell line: transiently transfected human erythroleukemia cells, None) , ( DNA: zeta-globin promoter, None) , ( protein: luciferase, None) , ( DNA: zeta-globin promoter deletion constructs, None) 