Protein engineering of xylose (glucose) isomerase from Actinoplanes missouriensis. 2. Site-directed mutagenesis of the xylose binding site
1992
Site-directed mutagenesis in the active site of xylose isomerase derived from Actinoplanes missouriensis is used to investigate the structural and functional role of specific residues. The mutagenesis work together with the crystallographic studies presented in detail in two accompanying papers adds significantly to the understanding of the catalytic mechanism of thie enzyme. Changes caused by introduced mutations emphasize the correlation between substrate specificity and cation preference
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