The molecule is a linear octasaccharide consisting of a chain of five D-arabinofuranose and three D-mannopyranose residues linked sequentially alpha(1->5), alpha(1->5), alpha(1->5), alpha(1->5), alpha(1->2), alpha(1->6) and alpha(1->6).
(3S,4S,5S,6R)-6-[[(2S,3S,4S,5S,6R)-6-[[(2S,3S,4S,5S,6R)-3-[(2R,3S,4S,5R)-5-[[(2S,3S,4S,5R)-5-[[(2S,3S,4S,5R)-5-[[(2S,3S,4S,5R)-5-[[(2S,3S,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]oxymethyl]-3,4-dihydroxyoxolan-2-yl]oxymethyl]-3,4-dihydroxyoxolan-2-yl]oxymethyl]-3,4-dihydroxyoxolan-2-yl]oxymethyl]-3,4-dihydroxyoxolan-2-yl]oxy-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxymethyl]-3,4,5-trihydroxyoxan-2-yl]oxymethyl]oxane-2,3,4,5-tetrol