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Cited by 379

The DOI matches its Crossref record; 13 of the 13 references it cites were found in a registry or an index.

Nonenzymatic glycosylation of albumin in vivo. Identification of multiple glycosylated sites.

Open access
Iberg, N, Flückiger, R·1986·Journal of Biological Chemistry

Abstract

Nonenzymatic glycosylation of albumin in vivo occurs at multiple sites. Glucose gets attached to Lys-199, Lys-281, Lys-439, and Lys-525 as well as to some other lysine residues. The principal glycosylated site is Lys-525. Approximately 33% of the overall glycosylation occurs at this site. This site specificity is remarkable and is postulated to be a consequence of local catalysis of the nonenzymatic glycosylation reaction. It appears that positively charged amino groups in the protein catalyze the Amadori rearrangement at specific sites. The principal glycosylated site, Lys-525, lies in a Lys-Lys sequence; other glycosylated sites lie in a Lys-Lys, Lys-His, and Lys-His-Lys sequence or are near disulfide bridges, which are likely to place amino groups of more remote parts of the protein closer to these sites. The occurrence of nonenzymatic glycosylation at most of the identified sites in albumin from diabetic patients is explained by the concept of local acid-base catalysis of the Amadori rearrangement.

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Metadata

Authors
Iberg, N., & Flückiger, R.
Venue
Journal of Biological Chemistry
Publisher
Elsevier BV
Published
1986-10
Volume
261
Issue
29
Pages
13542-13545
ISSN
0021-9258 (ISSN-L)
OpenAlex
W1499495082
Cited by
379
References
13
FWCI
5.89
Type
journal article
Language
en
Open access
hybrid

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CoChat. (2026). Citation check: Nonenzymatic glycosylation of albumin in vivo. Identification of multiple glycosylated sites. https://app.cochat.ai/papers/10.1016/s0021-9258(18)67052-8
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Iberg, N., & Flückiger, R. (1986). Nonenzymatic glycosylation of albumin in vivo. Identification of multiple glycosylated sites. Journal of Biological Chemistry. https://doi.org/10.1016/s0021-9258(18)67052-8

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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