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Free and protein-bound carbohydrate structures.

J Jiménez-Barbero1, J L Asensio, F J Cañada

  • 1Dept Química Orgánica Biológica, Instituto Química Orgánica, CSIC Juan de la Cierva 3, 28006, Madrid, Spain. iqoj101@fresno.csic.es

Current Opinion in Structural Biology
|October 6, 1999
PubMed
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Recent advances in carbohydrate research include using advanced NMR for conformational insights and detailed structural characterization of saccharides and enzyme complexes. New computational methods also predict oligosaccharide dynamics.

Area of Science:

  • Carbohydrate chemistry and structural biology.
  • Biophysical chemistry and computational modeling.

Background:

  • Understanding the structure and dynamics of carbohydrates is crucial for biological processes.
  • Recent years have seen significant progress in studying both free and protein-bound carbohydrates.

Purpose of the Study:

  • To summarize key advancements in carbohydrate research over the past year.
  • To highlight new methodologies and findings in structural characterization and dynamics prediction.

Main Methods:

  • Application of advanced Nuclear Magnetic Resonance (NMR) techniques with Carbon-13 (13C)-labeled sugars.
  • Structural characterization of saccharides in glycoproteins and noncovalent complexes (solution and solid-state).
  • Atomic-level description of enzyme-carbohydrate complexes and development of computational protocols.

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Main Results:

  • Obtained detailed conformational information using NMR spectroscopy.
  • Achieved full structural characterization of various saccharides and their complexes.
  • Provided atomic-level insights into enzyme-carbohydrate interactions.
  • Developed and analyzed computational protocols for predicting oligosaccharide dynamics.

Conclusions:

  • Significant progress has been made in understanding carbohydrate structure and dynamics.
  • Advanced NMR and computational methods are key drivers of these advances.
  • These findings contribute to a deeper understanding of carbohydrate roles in biological systems.