3853
To identify mechanisms responsible for this lineage-specific and interferon-regulated expression, the 5' flanking sequence of the gene has been characterized.
 ( DNA: 5#$%# flanking sequence, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( DNA: 5#$%# flanking sequence, None) 