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Messenger RNA for the Ad2 DNA binding protein : DNA sequences encoding the first leader and heterogenity at the mRNA 5 ' end .
 GENE: Ad2 DNA binding protein
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: Ad2 DNA binding protein