The molecule is a linear hexasaccharide consisting of D-mannosyl residues connected exclusively by alpha-linkages, obtained from acetolysis of Candida parapsilosis cell-wall D-mannan.
(3S,4S,5S,6R)-3-[(2R,3S,4S,5S,6R)-3-[(2R,3S,4S,5S,6R)-3-[(2R,3S,4S,5R,6R)-4-[(2R,3S,4S,5S,6R)-4,5-dihydroxy-6-(hydroxymethyl)-3-[(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-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-6-(hydroxymethyl)oxane-2,4,5-triol