7348
Human MCM5 and MCM6 promoters with mutation in the E2F sites failed in promoter regulation following serum stimulation and exogenous E2F expression .
 ( protein: E2F, None) , ( DNA: E2F sites, None) , ( protein: E2F, 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:
 ( protein: E2F, None) , ( DNA: E2F sites, None) , ( protein: E2F, None) 