The molecule is a pentasaccharide composed of a mannopyranose and four arabinofuranose residues in an alpha(1->5), beta(1->2), alpha(1->5) and alpha(1->5) linear sequence.
(2S,3S,4S,5S,6R)-2-[[(2R,3S,4S,5S)-5-[(2S,3S,4R,5R)-2-[[(2R,3S,4S,5S)-3,4-dihydroxy-5-[[(2R,3S,4S)-3,4,5-trihydroxyoxolan-2-yl]methoxy]oxolan-2-yl]methoxy]-4-hydroxy-5-(hydroxymethyl)oxolan-3-yl]oxy-3,4-dihydroxyoxolan-2-yl]methoxy]-6-(hydroxymethyl)oxane-3,4,5-triol