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Natural variants of the HIV-1 long terminal repeat : analysis of promoters with duplicated DNA regulatory motifs .
 DNA: HIV-1 long terminal repeat; DNA: promoters; DNA: DNA regulatory motifs
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: HIV-1 long terminal repeat; DNA: promoters; DNA: DNA regulatory motifs