11740
Therefore we analysed the expression of E2F -DNA binding activity and the constituent proteins found in the complexes in human primary haemopoietic cells of various lineages.
 ( cell type: human primary haemopoietic cells, 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:
 ( cell type: human primary haemopoietic cells, None) , ( protein: E2F, None) 