Conformational analysis of a flexible oligosaccharide using residual dipolar couplings.

  title={Conformational analysis of a flexible oligosaccharide using residual dipolar couplings.},
  author={Fang Tian and Hashim M Al-Hashimi and John L Craighead and James H. Prestegard},
  journal={Journal of the American Chemical Society},
  volume={123 3},
We present a new approach to the analysis of the conformational and the motional properties of an oligosaccharide, methyl 3,6-di-O-(alpha-D-mannopyranosyl)-alpha-D-mannopyranoside. The approach relies on an order matrix analysis of residual dipolar couplings in the solution state. By combining a number of different types of couplings, (1)D(CH), (2)D(CH), and D(HH), an order matrix is solved for each ring of the trimannoside. The resulting order parameters indicate the internal motion at the… CONTINUE READING

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