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