724
Reinsertion of these sequences into zeta- luciferase constructs missing the -417 to -207 region showed that the sequences lack classical enhancer activity .
 ( protein: luciferase, None) , ( DNA: zeta- luciferase 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:
 ( protein: luciferase, None) , ( DNA: zeta- luciferase constructs, None) 