1751
Three binding sites for the Ets family of transcription factors are found in this region: two adjacent sites at positions -50 and -54 bp and a more 5' site at position -67 bp .
 ( protein: Ets family, None) , ( DNA: -50 and -54 bp, None) , ( DNA: -67 bp, None) , ( protein: transcription factors, None) , ( DNA: 5#$%# site, None) , ( DNA: binding sites, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( protein: Ets family, None) , ( DNA: -50 and -54 bp, None) , ( DNA: -67 bp, None) , ( protein: transcription factors, None) , ( DNA: 5#$%# site, None) , ( DNA: binding sites, None) 