12103
At the 5' end , this 70-bp IFN-gamma response element contains sequence similarity to the gamma activated site ( GAS ).
 70-bp IFN-gamma response element, GAS, IFN-gamma, gamma activated site, 5' end
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:
 70-bp IFN-gamma response element, GAS, IFN-gamma, gamma activated site, 5' end