10717
Our investigation of the human TCR beta gene uncovers a surprisingly complex and tissue-specific structure at the TCR Vbeta 8.1 promoter .
 ( DNA: human TCR beta gene, None) , ( DNA: TCR Vbeta 8.1 promoter, 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: human TCR beta gene, None) , ( DNA: TCR Vbeta 8.1 promoter, None) 