3513
To analyze the regulatory mechanisms controlling p27Kip1 gene expression, we characterized the 5'-flanking region from nt -1609 to +178 .
 ( DNA: p27Kip1, None) , ( DNA: 5#$%#-flanking region, None) , ( DNA: nt -1609 to +178, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( DNA: p27Kip1, None) , ( DNA: 5#$%#-flanking region, None) , ( DNA: nt -1609 to +178, None) 