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We have analyzed the functional domains of the minimal Thy-1 promoter and show that the dominant promoter elements consist of multiple binding sites for the transcription factor Sp1 , an inverted CCAAT box , and sequences proximal to the transcription start site .
 protein: Sp1; DNA: dominant promoter elements; DNA: minimal Thy-1 promoter; protein: transcription factor; DNA: multiple binding sites; DNA: CCAAT box; DNA: transcription start 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: Sp1; DNA: dominant promoter elements; DNA: minimal Thy-1 promoter; protein: transcription factor; DNA: multiple binding sites; DNA: CCAAT box; DNA: transcription start site