The molecule is an O-glycosyl-L-serine having N-acetyl-beta-D-glucosaminyl as the glycosyl component. It is a non-proteinogenic L-alpha-amino acid, an O-glycosyl-L-serine and a monosaccharide derivative.
(2S)-3-[(2R,3R,4R,5S,6R)-3-acetamido-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-2-aminopropanoic acid