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Updated: Apr 16, 2026

Exploring Protein-Glycan Interactions: Advances in Nuclear Magnetic Resonance
Published on: August 26, 2025
NMR chemical shift prediction of glycans: application of the computer program CASPER in structural analysis
Magnus Lundborg1, Göran Widmalm
1Department of Biochemistry and Biophysics, Science for Life Laboratory, Stockholm University, Solna, 171 21, Sweden.
Abstract:
Carbohydrate molecules have highly complex structures and the constituent monosaccharides and substituents are linked to each other in a large number of ways. NMR spectroscopy can be used to unravel these structures, but the process may be tedious and time-consuming. The computerized approach based on the CASPER program can facilitate rapid structural determination of glycans with little user intervention, which results in the most probable primary structure of the investigated carbohydrate material. Additionally, (1)H and (13)C NMR chemical shifts of a user-defined structure can be predicted, and this tool may thus be employed in many aspects where NMR spectroscopy plays an important part of a study.
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