D-Mannosamine is an amino monosaccharide.1 It has been found as a component of LPS isolated from strains of Salmonella and E. coli. D-Mannosamine has been used as a starting material in the synthesis of N-azidoacetylmannosamine (ManNAz), an azido sugar that has been used as a metabolic label for glycans in cells.2
1.Lüderitz, O., Gmeiner, J., Kickh?fen, B., et al.Identification of ?-mannosamine and quinovosamine in Salmonella and related bacteriaJ. Bacteriol.95(2)490-494(1968) 2.Laughlin, S.T., and Bertozzi, C.R.Metabolic labeling of glycans with azido sugars and subsequent glycan-profiling and visualization via Staudinger ligationNat. Protoc.2(11)2930-2944(2007)