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Ionic-liquid-based MS probes for the chemo-enzymatic synthesis of oligosaccharides

Galan, M. Carmen and Tran, Anh Tuan and Bromfield, Karen and Rabbani, Said and Ernst, Beat. (2012) Ionic-liquid-based MS probes for the chemo-enzymatic synthesis of oligosaccharides. Organic and Biomolecular Chemistry, 10 (35). pp. 7091-7097.

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Official URL: http://edoc.unibas.ch/dok/A6328813

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Abstract

A new N-benzenesulfonyl-based ionic-liquid mass spectroscopy label (I-Tag2) for covalent attachment to substrates has been prepared. I-Tag2 was used to monitor oligosaccharide elongation and serve as a purification handle. Starting from chemically synthesized I-Tag2-labelled N-acetyl glucosamine (GlcNAc) 1, I-Tag2-LacNAc (Galβ(1-4)GlcNAc) 2 and I-Tag2-Lewis(X) (Galβ(1-4)[Fucα(1-3)]GlcNAc) 3, which are oligosaccharides of biological relevance, were enzymatically prepared. The apparent kinetic parameters for the enzyme catalysed transformations with β-1,4-galactosyltransferase (β-1,4-GalT) and fucosyltransferase VI (FucT VI) were measured by LC-MS demonstrating the applicability and versatility of the new I-Tags in enzymatic transformations with glycosyltransferases.
Faculties and Departments:05 Faculty of Science > Departement Pharmazeutische Wissenschaften > Pharmazie > Molekulare Pharmazie (Ernst)
UniBasel Contributors:Ernst, Beat and Rabbani, Said
Item Type:Article, refereed
Article Subtype:Research Article
Bibsysno:Link to catalogue
Publisher:Royal Society of Chemistry
ISSN:1477-0520
e-ISSN:1477-0539
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:28 Nov 2017 11:09
Deposited On:09 Jan 2015 09:25

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