6241
All these motifs are strikingly conserved in sequence and placement relative to the previously characterized murine B29 promoter .
 ( DNA: murine B29 promoter, None) , ( protein: B29, 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: murine B29 promoter, None) , ( protein: B29, None) 