2558
Site D ( nt 4816 to 4851 ) specifically bound a ubiquitously expressed factor .
 ( DNA: Site D, None) , ( DNA: nt 4816 to 4851, None) , ( protein: ubiquitously expressed factor, 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: Site D, None) , ( DNA: nt 4816 to 4851, None) , ( protein: ubiquitously expressed factor, None) 