12887
A regulatory element in the CD95 ( APO-1/Fas ) ligand promoter is essential for responsiveness to TCR -mediated activation .
 ( protein: TCR, None) , ( protein: APO-1/Fas, None) , ( DNA: regulatory element, None) , ( protein: CD95, None) , ( DNA: CD95 ( APO-1/Fas ) ligand 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:
 ( protein: TCR, None) , ( protein: APO-1/Fas, None) , ( DNA: regulatory element, None) , ( protein: CD95, None) , ( DNA: CD95 ( APO-1/Fas ) ligand promoter, None) 