3244
The region which induced these inductions was identified as being confined to 40 nucleotides 5' to the major transcriptional initiation site by testing a series of clones with truncated promoter of IRF-2 .
 ( DNA: major transcriptional initiation site, None) , ( DNA: truncated promoter, None) , ( protein: IRF-2, None) , ( DNA: 40 nucleotides 5#$%#, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( DNA: major transcriptional initiation site, None) , ( DNA: truncated promoter, None) , ( protein: IRF-2, None) , ( DNA: 40 nucleotides 5#$%#, None) 