4536
Together the Act-1 and CBF sites form a functional unit ( AC unit ) with dual activity.
 ( DNA: Act-1, None) , ( DNA: functional unit, None) , ( DNA: CBF sites, None) , ( DNA: AC unit, 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: Act-1, None) , ( DNA: functional unit, None) , ( DNA: CBF sites, None) , ( DNA: AC unit, None) 