Serine versus Threonine Glycosylation: The Methyl Group Causes a Drastic Alteration on the Carbohydrate Orientation and on the Surrounding Water Shell
Journal of the American Chemical Society2007Vol. 129(30), pp. 9458–9467
Citations Over TimeTop 11% of 2007 papers
Francisco Corzana, Jesús H. Busto, Gonzalo Jiménez‐Osés, Marisa García de Luis, Juan Luis Asensio, Jesús Jiménez‐Barbero, Jesús M. Peregrina, Alberto Avenoza
Abstract
Different behavior has been observed for the ψ torsion angle of the glycosidic linkages of d-GalNAc-Ser and d-GalNAc-Thr motifs, allowing the carbohydrate moiety to adopt a completely different orientation. In addition, the fact that the water pockets found in α-d-GalNAc-Thr differ from those obtained for its serine analogue could be related to the different capability that the two model glycopeptides have to structure the surrounding water. This fact could have important biological inferences (i.e., antifreeze activity).
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