14793
Recent isolation of the CD11b promoter shows that 92 base pairs ( bp ) of 5'-flanking DNA are sufficient to direct myeloid-specific expression of a reporter gene .
 ( DNA: reporter gene, None) , ( DNA: CD11b promoter, None) , ( DNA: 5#$%#-flanking DNA, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( DNA: reporter gene, None) , ( DNA: CD11b promoter, None) , ( DNA: 5#$%#-flanking DNA, None) 