13471
Analyzed DNA sequences included delta and beta 5' flanking regions extending from approximately -500 to +50bp ( promoter regions ), truncated delta and beta 5' flanking regions extending from approximately -250 to +50 bp , and chimeric promoter constructions , which consisted of a distal delta or beta fragment fused to a proximal beta or delta sequence .
 ( DNA: promoter regions, None) , ( DNA: DNA sequences, None) , ( DNA: chimeric promoter constructions, None) , ( DNA: -500 to +50bp, None) , ( DNA: beta 5#$%# flanking regions, None) , ( DNA: -250 to +50 bp, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( DNA: promoter regions, None) , ( DNA: DNA sequences, None) , ( DNA: chimeric promoter constructions, None) , ( DNA: -500 to +50bp, None) , ( DNA: beta 5#$%# flanking regions, None) , ( DNA: -250 to +50 bp, None) 