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A thymus-specific member of the HMG protein family regulates the human T cell receptor C alpha enhancer .
 protein: human T cell receptor C alpha; protein: thymus-specific member; DNA: human T cell receptor C alpha enhancer; protein: HMG protein family
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: human T cell receptor C alpha; protein: thymus-specific member; DNA: human T cell receptor C alpha enhancer; protein: HMG protein family