4499
Southern blot analysis showed rearrangement of BCL6 , JH , and TCR beta but not of TCR delta .
 ( DNA: BCL6, None) , ( DNA: TCR delta, None) , ( DNA: TCR beta, None) , ( DNA: JH, 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: BCL6, None) , ( DNA: TCR delta, None) , ( DNA: TCR beta, None) , ( DNA: JH, None) 