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peptidoglycan

A glycosaminoglycan formed by alternating residues of d-glucosamine and either muramic acid {2-amino-3-O-[(S)-1-carboxyethyl]-2-deoxy-d-glucose} or l-talosaminuronic acid (2-amino-2-deoxy-l-taluronic acid), which are usually N-acetylated or N-glycoloylated. The carboxyl group of the muramic acid is commonly substituted by a peptide containing residues of both l- and d-amino acids, whereas that of l-talosaminuronic acid is substituted by a peptide consisting of l-amino acids only.
Source:
PAC, 1988, 60, 1389 (Nomenclature of glycoproteins, glycopeptides and peptidoglycans (Recommendations 1985)) on page 1391
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Cite as:
IUPAC. Compendium of Chemical Terminology, 2nd ed. (the "Gold Book"). Compiled by A. D. McNaught and A. Wilkinson. Blackwell Scientific Publications, Oxford (1997). XML on-line corrected version: http://goldbook.iupac.org (2006-) created by M. Nic, J. Jirat, B. Kosata; updates compiled by A. Jenkins. ISBN 0-9678550-9-8. doi:10.1351/goldbook.
Last update: 2014-02-24; version: 2.3.3.
DOI of this term: doi:10.1351/goldbook.P04480.
Original PDF version: http://www.iupac.org/goldbook/P04480.pdf. The PDF version is out of date and is provided for reference purposes only. For some entries, the PDF version may be unavailable.
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