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Southern blot analysis of human genomic DNA digested with different restriction enzymes suggests the existence of only a few copies of the DNA sequence encoding FKBP .
 protein: FKBP; DNA: human genomic DNA; protein: restriction enzymes
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: FKBP; DNA: human genomic DNA; protein: restriction enzymes