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Difference between revisions of "Glycosyltransferases"
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* Author: [[User:SpencerWilliams|Spencer Williams]] | * Author: [[User:SpencerWilliams|Spencer Williams]] | ||
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Revision as of 07:15, 17 January 2010
This page has been approved by the Responsible Curator as essentially complete. CAZypedia is a living document, so further improvement of this page is still possible. If you would like to suggest an addition or correction, please contact the page's Responsible Curator directly by e-mail.
- Author: Spencer Williams
- Responsible Curator: Spencer Williams
Overview
Glycosyltransferases are enzymes that catalyze the formation of the glycosidic linkage to form a glycoside. These enzymes utilize 'activated' sugar phosphates as glycosyl donors, and catalyze glycosyl group transfer to a nucleophilic group, usually an alcohol. The product of glycosyl transfer may be an O-, N-, S-, or C-glycoside; the glycoside may be part of a monosaccharide glycoside, oligosaccharide, or polysaccharide.
Donors
Glycosyltransferases can utilize a range of donor species. Sugar mono- or diphosphonucleotides are sometimes termed Leloir donors (after Nobel prize winner, Luis Leloir); the corresponding enzymes are termed Leloir donors.
Glycosyltransferases that utilize non-nucleotide donors, which may be polyprenol pyrophosphates, polyprenol phosphates, sugar-1-phosphates, or sugar-1-pyrophosphates, are termed non-Leloir glycosyltransferases.
