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In one of the families , affected individuals presented a novel nonsense mutation in exon 3 of the gene , consisting in a G to T transition at nucleotide 2101 , which produces a stop signal in codon 82 ( Glu ) of NPII .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease 
Text: {0} 
Answer:
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