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Mutation of the TCF-1 alpha binding site diminished enhancer activity and disrupted the synergism observed in vivo between tandem enhancer repeats .
 protein: TCF-1 alpha; DNA: tandem enhancer repeats; DNA: TCF-1 alpha binding 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:
 protein: TCF-1 alpha; DNA: tandem enhancer repeats; DNA: TCF-1 alpha binding site