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[Conformation analysis of D-xylose-containing O-glycopeptide sequences]
H Paulsen1, R Busch, V Sinnwell
1Institut für Organische Chemie der Universität Hamburg, Deutschland.
Carbohydrate Research
|July 30, 1991
Abstract:
The preferred conformations of the sequences of O-glycopeptides containing a beta-D-xylosyl group linked to an L-seryl residue, found in the N-terminus of proteodermatan sulfate, show an almost extended peptide chain with the sugar unit in a specific position. The results of force-field calculations with the AMBER program have been confirmed, by n.m.r.-spectroscopic experiments, for a minimum conformation.