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The function of a putative NFAT-1 site in the human immunodeficiency virus type 1 enhancer has been analyzed.
 DNA: human immunodeficiency virus type 1 enhancer; protein: NFAT-1; DNA: putative NFAT-1 site
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: human immunodeficiency virus type 1 enhancer; protein: NFAT-1; DNA: putative NFAT-1 site