919
The I66M mutation in the wild - type GALC cDNA ( I289 ) had normal activity , but when this mutation and the V289 polymorphism were introduced into the same allele , it had decreased activity .
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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:
 None