The molecule is a linear tetrasaccharide comprised of tyvelose, mannose, rhamnose and galactose residues linked alpha(1->3, alpha(1->4) and alpha(1->3), respectively, with alpha configuration at the anomeric centre of the galactose residue.
(2S,3R,4S,5S,6R)-4-[(2S,3R,4S,5R,6S)-5-[(2R,3S,4S,5R,6R)-4-[(2R,3S,5S,6R)-3,5-dihydroxy-6-methyloxan-2-yl]oxy-3,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-3,4-dihydroxy-6-methyloxan-2-yl]oxy-6-(hydroxymethyl)oxane-2,3,5-triol