15608
Under their individual optimal conditions , yields of GOS could reach 50 . 9 % for wild - type enzyme , 58 . 3 % for F359Q , and 61 . 7 % for F441Y .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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