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The specificity of DNA binding by cell-free synthesized hGR was analyzed further by examining the abilities of various DNAs to compete for binding to a naturally occurring GRE found in the mouse mammary tumor virus-long terminal repeat .
 protein: cell-free synthesized hGR; DNA: mouse mammary tumor virus-long terminal repeat; DNA: various DNAs; 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:
 protein: cell-free synthesized hGR; DNA: mouse mammary tumor virus-long terminal repeat; DNA: various DNAs; DNA: GRE