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In this study, we characterize an essential upstream IL-2 response element that contains both consensus and non-consensus GAS motifs , two putative Ets binding sites ( EBS ), one of which overlaps the consensus GAS motif , and a GATA motif , which overlaps the non-consensus GAS motif .
 non-consensus GAS motif, IL-2, consensus GAS motif, IL-2 response element, GATA motif, Ets binding sites, EBS
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:
 non-consensus GAS motif, IL-2, consensus GAS motif, IL-2 response element, GATA motif, Ets binding sites, EBS