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In the studies described in this report, we have identified two potential Ets binding sites , EBS1 and EBS2 , which are conserved in both the human and murine interleukin-2 enhancers .
 DNA: EBS2; DNA: EBS1; DNA: Ets binding sites
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 DNA: EBS2; DNA: EBS1; DNA: Ets binding sites