The molecule is a disaccharide phosphate consisting of 2-O-(N-acetyl-beta-D-glucosaminyl)ribitol phosphorylated at O-1 of the ribitol residue; a ligand epitope of Staphylococcus aureus. It has a role as an epitope. It derives from a 4-O-(2-acetamido-2-deoxy-beta-D-glucopyranosyl)-D-ribitol.
[(2R,3S,4S)-2-[(2S,3R,4R,5S,6R)-3-acetamido-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-3,4,5-trihydroxypentyl] dihydrogen phosphate