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Dynamics of the Gly...
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Erdelyi, Mate,1975Gothenburg University,Göteborgs universitet,Svenskt NMR-centrum vid Göteborgs universitet,Swedish NMR Centre at Göteborg University
(author)
Dynamics of the Glycosidic Bond: Conformational Space of Lactose
- Article/chapterEnglish2011
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LIBRIS-ID:oai:gup.ub.gu.se/162215
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https://gup.ub.gu.se/publication/162215URI
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Subject category:art swepub-publicationtype
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The dynamics of the glycosidic bond of lactose was studied by a paramagnetic tagging-based NMR technique, which allowed the collection of an unusually large series of NMR data for a single compound. By the use of distance- and orientation-dependent residual dipolar couplings and pseudocontact shifts, the simultaneous fitting of the probabilities of computed conformations and the orientation of the magnetic susceptibility tensor of a series of lanthanide complexes of lactose show that its glycosidic bond samples syn/syn, anti/syn and syn/anti ϕ/ψ regions of the conformational space in water. The analysis indicates a higher reliability of pseudocontact shift data as compared to residual dipolar couplings with the presently available weakly orienting paramagnetic tagging technique. The method presented herein allows for an improved understanding of the dynamic behaviour of oligosaccharides.
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d'Auvergne, E
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Navarro-Vazquez, A
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Leonov, A
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Griesinger, C
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Göteborgs universitetSvenskt NMR-centrum vid Göteborgs universitet
(creator_code:org_t)
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In:CHEMISTRY-A EUROPEAN JOURNAL17:34, s. 9368-93760947-6539
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