14688
Transcriptional activation of human zeta 2 globin promoter by the alpha globin regulatory element ( HS-40 ): functional role of specific nuclear factor-DNA complexes .
 ( DNA: human zeta 2 globin promoter, None) , ( DNA: HS-40, None) , ( DNA: alpha globin regulatory element, None) , ( protein: nuclear factor-DNA complexes, 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 zeta 2 globin promoter, None) , ( DNA: HS-40, None) , ( DNA: alpha globin regulatory element, None) , ( protein: nuclear factor-DNA complexes, None) 