7349
In addition, we identified a novel E2F -like sequence in human MCM6 promoter which cooperates with the authentic E2F sites in E2F -dependent regulation .
 ( DNA: human MCM6 promoter, None) , ( protein: E2F, None) , ( protein: E2F, None) , ( protein: E2F, None) , ( DNA: E2F sites, None) , ( DNA: E2F -like 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: human MCM6 promoter, None) , ( protein: E2F, None) , ( protein: E2F, None) , ( protein: E2F, None) , ( DNA: E2F sites, None) , ( DNA: E2F -like sequence, None) 