Article
Mechanistic and structural analysis of a family 31 alpha-glycosidase and its glycosyl-enzyme intermediate.
The Journal of biological chemistry - 21 Jan 2005
Lovering Andrew L, Lee Seung Seo, Kim Young-Wan, Withers Stephen G, Strynadka Natalie C J
Abstract excerpt
We have determined the first structure of a family 31 alpha-glycosidase, that of YicI from Escherichia coli, both free and trapped as a 5-fluoroxylopyranosyl-enzyme intermediate via reaction with 5-fluoro-alpha-D-xylopyranosyl fluoride. Our 2.2-A resolution structure shows an intimately associated hexamer with structural elements from several monomers converging at each of the six active sites. Our kinetic and...
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