The molecule is a phosphatidylinositol mannoside having two alpha-D-mannosyl residues attached at the 2- and 6-positions of the inositol and a 1,2-di-O-hexadecanoyl-sn-glycero-3-phosphono group at the 1-position. It has a role as an epitope.
[(2S)-2-hexadecanoyloxy-3-[hydroxy-[(2R,3S,5R,6R)-3,4,5-trihydroxy-2,6-bis[[(2R,3S,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy]cyclohexyl]oxyphosphoryl]oxypropyl] hexadecanoate