10724
Our observations suggest that both the enhancer and the promoter have a complex tissue-specific structure whose functional interplay potentiates T-cell-specific transcription .
 ( DNA: promoter, None) , ( DNA: complex tissue-specific structure, None) , ( DNA: enhancer, 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: promoter, None) , ( DNA: complex tissue-specific structure, None) , ( DNA: enhancer, None) 