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Except for the conserved zinc-finger domains , the amino acid sequences of the three proteins are distinct.
 protein: zinc-finger; protein: amino acid sequences; protein: zinc-finger domains
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: zinc-finger; protein: amino acid sequences; protein: zinc-finger domains