8282
We also observed an increase in electrophoretic mobility of the predominant E2F components , DP1 and E2F4 , as B-lymphocytes progressed from G0 into early G1 .
 ( protein: DP1, None) , ( cell type: B-lymphocytes, None) , ( protein: E2F components, None) , ( protein: E2F4, 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: DP1, None) , ( cell type: B-lymphocytes, None) , ( protein: E2F components, None) , ( protein: E2F4, None) 