22931
Here we present the structure of the full lumenal domain of Erv41p from Saccharomyces cerevisiae , determined by X - ray crystallography to a resolution of 2 . 0 A .
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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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