13427
The phosphorylated forms of E2F-4 that bind to the E2F DNA site are different from hyperphosphorylated E2F-4 , which predominates in primary hemopoietic cells in G0 .
 ( protein: E2F-4, None) , ( protein: E2F-4, None) , ( DNA: E2F DNA site, None) , ( cell type: primary hemopoietic cells, 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-4, None) , ( protein: E2F-4, None) , ( DNA: E2F DNA site, None) , ( cell type: primary hemopoietic cells, None) 