The molecule is a polyprenyl phospho oligosaccharide consisting of the tetrasaccharide alpha-D-mannosyl-(1->3)-alpha-D-mannosyl-(1->3)-alpha-D-mannosyl-(1->3)-N-acetyl-alpha-D-glucosamin linked via a diphospho group to ditrans,polycis-undecaprenol. It is a conjugate acid of an alpha-D-mannosyl-(1->3)-alpha-D-mannosyl-(1->3)-alpha-D-mannosyl-(1->3)-N-acetyl-alpha-D-glucosaminyl-1-diphospho-ditrans,polycis-undecaprenol(2-).
[(2R,3R,4R,5S,6R)-3-acetamido-4-[(2S,3S,4S,5R,6R)-4-[(2R,3S,4S,5R,6R)-3,5-dihydroxy-6-(hydroxymethyl)-4-[(2R,3S,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxan-2-yl]oxy-3,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-5-hydroxy-6-(hydroxymethyl)oxan-2-yl] [hydroxy-[(2Z,6Z,10Z,14Z,18Z,22Z,26Z,30Z,34E,38E)-3,7,11,15,19,23,27,31,35,39,43-undecamethyltetratetraconta-2,6,10,14,18,22,26,30,34,38,42-undecaenoxy]phosphoryl] hydrogen phosphate