Article: Three-dimensional heteronuclear NMR techniques for assignment and conformational analysis using exchangeable protons in uniformly 13C-enriched oligosaccharides.
2010 Volume 9, Issue 1, Page(s) 47–54
Abstract: We present heteronuclear three-dimensional gradient-NMR techniques for the resonanceassignment of exchangeable (-OH and -NH) protons in uniformly 13C isotopically enrichedoligosaccharides and for the measurement of 1H-1H nuclear Overhauser ... ...
Abstract | We present heteronuclear three-dimensional gradient-NMR techniques for the resonanceassignment of exchangeable (-OH and -NH) protons in uniformly 13C isotopically enrichedoligosaccharides and for the measurement of 1H-1H nuclear Overhauser enhancementsinvolving these protons. These techniques are derived from conventional HOHAHA-HSQCand NOESY(ROESY)-HSQC experiments, and are illustrated in application to a sample ofuniformly 13C-enriched Galbeta1-4GlcNAc, and demonstrate that a total of 35 ROEs involvingexchangeable protons can be detected and assigned. We present a quantitative analysis ofthese ROEs that can only be accommodated in a model of the solution behaviour of theoligosaccharide that involves considerable internal motion. |
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Language | English |
Publishing date | 2010-08-04 |
Publishing country | Netherlands |
Document type | Journal Article |
ZDB-ID | 1081696-3 |
ISSN | 0925-2738 |
ISSN | 0925-2738 |
DOI | 10.1023/A:1018671517876 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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