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Mass spectrometric analysis of glucose-modified ribonuclease

Cotham, W.E., Hinton, D.J.S., Metz, T.O., Brock, J.W.C., Thorpe, S.R., Baynes, J.W. and Ames, J.M. (2003) Mass spectrometric analysis of glucose-modified ribonuclease. Biochemical Society Transactions, 31 (6). pp. 1426-1427. ISSN 0300-5127

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RNase A (1 mM) was incubated with glucose (0.4 M) at 37°C for up to 14 days in phosphate buffer (0.2 M, pH 7.4), digested with trypsin and analysed by LC-MS. The major sites of fructoselysine formation were Lys1, Lys7, Lys37 and Lys41. Three of these sites (Lys7, Lys37 and Lys41) were also the major sites of Ne-(carboxymethyl)lysine formation.

Item Type:Article
Divisions:Life Sciences > School of Chemistry, Food and Pharmacy > Department of Food and Nutritional Sciences
ID Code:13482
Uncontrolled Keywords:advanced glycation end product (AGE), Ne-(carboxymethyl)lysine, fructoselysine, glucose, LC-MS, RNase.
Additional Information:Biochemical Society Main Meeting 679th Meeting University of Essex, Colchester, UK 2–4 July 2003

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