Definition for N-acetylglucosamine

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Müllerian mimicry
N-acetylglutamate

An aminohexose (2-aminoglucose) modified by N-acetylation (symbolic abbreviation GlcNAc, but also often abbreviated as NAG). Glycosaminoglycans feature repeating modified disaccharide units. These disaccharides typically incorporate N-acetylglucosamine as one of the sugars of the repeat. In some cases, the GlcNAc unit is modified by attachment of a sulfate at O6.

N-acetylglucosamine.gif

The structural polysaccharide chitin is a homopolymer of GlcNAc residues in β(1→4) linkages.

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