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In addition, cell-free synthesized hGR was capable of specific binding to glucocorticoid response element ( GRE )-containing DNA fragments .
 DNA: glucocorticoid response element; protein: cell-free synthesized hGR; DNA: glucocorticoid response element ( GRE )-containing DNA fragments; DNA: GRE
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: glucocorticoid response element; protein: cell-free synthesized hGR; DNA: glucocorticoid response element ( GRE )-containing DNA fragments; DNA: GRE