10776
An enhancer-blocking element ( BEAD-1 , for blocking element alpha/delta 1 ) was localized to a 2.0-kb region 3' of TCR delta gene segments and 5' of TCR alpha joining gene segments within this locus.
 ( DNA: enhancer-blocking element, None) , ( DNA: TCR alpha joining gene segments, None) , ( DNA: TCR delta gene segments, None) , ( DNA: 2.0-kb region, None) , ( DNA: BEAD-1, None) , ( DNA: element alpha/delta 1, 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: enhancer-blocking element, None) , ( DNA: TCR alpha joining gene segments, None) , ( DNA: TCR delta gene segments, None) , ( DNA: 2.0-kb region, None) , ( DNA: BEAD-1, None) , ( DNA: element alpha/delta 1, None) 