The molecule is a tetrasaccharide comprising four D-mannose residues joined by beta(1->2) linkages. It has a role as an epitope. It is a (1->2)-beta-D-mannooligosaccharide and a mannotetraose.
(3S,4S,5S,6R)-3-[(2S,3S,4S,5S,6R)-3-[(2S,3S,4S,5S,6R)-4,5-dihydroxy-6-(hydroxymethyl)-3-[(2S,3S,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxan-2-yl]oxy-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-6-(hydroxymethyl)oxane-2,4,5-triol