11113
A single point mutation in the SRE completely abrogated the responsiveness to tat/S .
 SRE, tat/S, single point mutation
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 SRE, tat/S, single point mutation