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  Immunochemistry of the Lewis-blood-group system: proton nuclear magnetic resonance study of plasmatic Lewis-blood-group-active glycosphingolipids and related substances

Dabrowski, J., Hanfland, P., Egge, H., & Dabrowski, U. (1981). Immunochemistry of the Lewis-blood-group system: proton nuclear magnetic resonance study of plasmatic Lewis-blood-group-active glycosphingolipids and related substances. Archives of Biochemistry and Biophysics, 210(1), 405-411. doi:10.1016/0003-9861(81)90203-4.

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ArchBiochemBiophys_210_1981_405.pdf (Any fulltext), 584KB
 
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Dabrowski, Janusz1, Author           
Hanfland , Peter, Author
Egge, Heinz, Author
Dabrowski, Ursula, Author
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1Department of Organic Chemistry, Max Planck Institute for Medical Research, Max Planck Society, ou_1497706              

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 Abstract: The Lea-, Leb-, and H-type 1 (LedH)-blood-group-active glycosphingolipids, as well as H-I-type 2 glycolipid, lactotetraosyl ceramide, and neo-lactotetraosyl ceramide were examined by 1H nuclear magnetic resonance at 360 MHz in dimethyl-d6 sulfoxide as solvent. The resonances of almost all protons of the sugar rings were assigned with the aid of spin decoupling and nuclear Overhauser difference spectroscopy. The latter technique was also applied to establish the sequences and sites of glycosidic linkage. This information, combined with the chemical shift-structure correlations established in our previous work, led to an independent identification of those six glycolipids. Type 1 (Galβ1 → 3GlcNAc) and type 2 (Galβ1 → 4GlcNAc) saccharide chains can be distinguished by this approach. Some deviations from additivity in chemical shifts, calculated for oligosaccharides from the data on their constituent sugar residues, furnished information on the conformational changes in crowded glycolipid molecules.

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Language(s): eng - English
 Dates: 1981-03-022004-11-241981-08
 Publication Status: Issued
 Pages: 7
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 Rev. Type: Peer
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Title: Archives of Biochemistry and Biophysics
Source Genre: Journal
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Publ. Info: New York : Academic Press
Pages: - Volume / Issue: 210 (1) Sequence Number: - Start / End Page: 405 - 411 Identifier: ISSN: 0003-9861
CoNE: https://pure.mpg.de/cone/journals/resource/991042745826956