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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

Increase in D: -tagatose Production Rate by Site-directed Mutagenesis of L: -arabinose Isomerase from Geobacillus thermodenitrificans.

Among single-site mutations of L: -arabinose isomerase derived from Geobacillus thermodenitrificans, two mutants were produced having the lowest and highest activities of D: -tagatose production. Site-directed mutagenesis at these sites showed that the aromatic ring at amino acid 164 and the size of amino acid 475 were important for D: -tagatose production. Among double-site mutations, one mutant converted D: -galactose into D: -tagatose with a yield of 58% whereas the wild type gave 46% D: -tagatose conversion after 300 min at 65 degrees C.[1]

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