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The enhancer consists of tandem AP-1-binding sites , phased 10 bp apart, which are both required for full activity.
 DNA: tandem AP-1-binding sites; DNA: enhancer
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: tandem AP-1-binding sites; DNA: enhancer