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Spectroscopic characterisation of disaccharides derived from keratan sulfates.

Huckerby, Thomas N. and Brown, Gavin M. and Dickenson, John M. and Nieduszynski, Ian A. (1995) Spectroscopic characterisation of disaccharides derived from keratan sulfates. European Journal of Biochemistry, 229 (1). pp. 119-131.

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Abstract

Skeletal keratan sulfates have been degraded by three independent techniques and the resultant, borohydride-reduced, disaccharides have been characterised by NMR spectroscopy. The ¹H and <sup>13</sup>C (where available) chemical shifts are reported for the following substances, where GalNAc-ol represents Nacetyl-galactosaminitol. GlcNAc-ol represents N-acetyl-glucosaminitol, GlcNAc(6S)-ol represents N-acetyl-glucosaminitol 6-O-sulfate and 2,5AnMan(6S)-ol represents 2.5-anhydro-D-mannitol 6-O-sulfate. (a) GlcNAc(6S)β(1-3)Gal-ol, isolated after keratanase (from Pseudomonas sp.) digestion. (b) Galβ(14)GlcNAc(6S)-ol and Gal(6S)β(1-4) GlcNAc(6S)-ol, the ¹H chemical shills have been reported previously [Brown, G. M., Huckerby, T. N., Morris, H. G., Abram, B. L. & Nieduszynski, I. A, (1994) Biochemistry 33, 4836-4846; Brown, G. M., Huckerby, T. N. & Nieduszynski, I. A. (1994) Eur: J. Biochem. 224, 281-308], GlcNAc(6S)β(1-6)GalNAc-ol, Galβ(14)GlcNAc-ol, Gal(6S)β(1-4)GlcNAc-ol, all isolated after keratanase II digestion, (c) Galβ(14)2,5AnMan(6S)-ol and Gal(6S)β(1-4)2.5AnMan(6S)-ol, isolated after hydrazinolysis and nitrous acid digestion. In addition, the model compounds Galβ(1-4)GlcNAc-ol and Galβ(1-6)GlcNAc-ol have also been examined by ¹H and <sup>13</sup>C NMR spectroscopy. The value of these data for microstructural analysis of keratan sulfate samples is discussed.

Item Type: Article
Journal or Publication Title: European Journal of Biochemistry
Subjects: G Geography. Anthropology. Recreation > GE Environmental Sciences
Departments: Faculty of Science and Technology > Lancaster Environment Centre
Faculty of Health and Medicine > Biomedical & Life Sciences
VC's Office
ID Code: 22281
Deposited By: ep_ss_importer
Deposited On: 10 Feb 2009 11:18
Refereed?: No
Published?: Published
Last Modified: 26 Jul 2012 15:58
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/22281

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