11113
A single point mutation in the SRE completely abrogated the responsiveness to tat/S .
 ( DNA: SRE, None) , ( DNA: tat/S, None) , ( DNA: single point mutation, 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: SRE, None) , ( DNA: tat/S, None) , ( DNA: single point mutation, None) 