1051
The binding of E2F at this region was detected by a gel-retardation assay and DNaseI footprinting in phytohemagglutinin -stimulated T-lymphocytes , which was coincident with the expression of cdc2 mRNA .
 ( protein: DNaseI, None) , ( protein: phytohemagglutinin, None) , ( cell type: T-lymphocytes, None) , ( protein: E2F, None) , ( RNA: cdc2 mRNA, None) , ( cell line: phytohemagglutinin -stimulated T-lymphocytes, 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: DNaseI, None) , ( protein: phytohemagglutinin, None) , ( cell type: T-lymphocytes, None) , ( protein: E2F, None) , ( RNA: cdc2 mRNA, None) , ( cell line: phytohemagglutinin -stimulated T-lymphocytes, None) 