Monosaccharide in which an OH-group is replaced with an amino group; often acetylated. Common examples are D-galactosamine, D-glucosamine, neuraminic acid, muramic acid. Amino sugars are important constituents of bacterial cell walls, some antibiotics, blood group substances, milk oligosaccharides, and chitin.

Dictionary of molecular biology. 2004.

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  • amino sugar — a sugar in which an amino group substituent has replaced a hydroxyl group; the amino sugars and their acyl derivatives are constituents of a variety of polysaccharides, glycoproteins, and glycolipids …   Medical dictionary

  • amino sugar — /əminoʊ ˈʃʊgə/ (say uhmeenoh shoohguh) noun a sugar which contains an amino group in place of a hydroxyl …   Australian English dictionary

  • amino sugar — noun any monosaccharide in which a single hydroxy group has been replaced by an amino group …   Wiktionary

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