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Results in all cell lines indicated that mutations of the SP1 , TATA and the TAR loop and stem secondary structure resulted in marked decreases in gene expression while mutations of the enhancer motif or TAR primary sequence resulted in only slight decreases.
 DNA: TAR primary sequence; DNA: TAR loop; DNA: stem secondary structure; DNA: TATA; DNA: SP1; DNA: enhancer motif
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: TAR primary sequence; DNA: TAR loop; DNA: stem secondary structure; DNA: TATA; DNA: SP1; DNA: enhancer motif