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Carbohydrate Esterase Families
OverviewAs described in the CAZy database CE familes page header:
"Carbohydrate esterases [also formally including carbohydrate amidases] catalyze the de-O or de-N-acylation of substituted saccharides. Since an ester = acid + alcohol, we consider two classes of substrates for carbohydrate esterases: those in which the sugar plays the role of the "acid", such as pectin methyl esters and those in which the sugar behaves as the alcohol, such as in acetylated xylan. A number of possible reaction mechanisms may be involved: the most common is a Ser-His-Asp catalytic triad catalyzed deacetylation analogous to the action of classical lipase and serine proteases but other mechanisms such as a Zn2+ catalyzed deacetylation prevails in some families."
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There are currently 2 Carbohydrate Esterase Family pages Under construction in CAZypedia.
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All CE Family pages not listed above are currently unassigned. Please contact us if you'd like to get involved with the creation of these pages.
- Davies GJ, Gloster TM, and Henrissat B. (2005) Recent structural insights into the expanding world of carbohydrate-active enzymes. Curr Opin Struct Biol. 15, 637-45. DOI:10.1016/j.sbi.2005.10.008 |
- Biely P (2012) Microbial carbohydrate esterases deacetylating plant polysaccharides. Biotechnol Adv. 30, 1575-88. DOI:10.1016/j.biotechadv.2012.04.010 |