The molecule is an allergenic amino pentasaccharide which constitutes the minimal structural unit for eliciting sea squirt allergy in the skin of susceptible patients. It has a role as a carbohydrate allergen.
N-[(2S,3R,4R,5R,6R)-2-[(2R,3S,4R,5R,6R)-5-acetamido-4-[(2S,3S,4R,5S,6S)-3-[(2R,3R,4R,5R,6R)-3-acetamido-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4,5-dihydroxy-6-methyloxan-2-yl]oxy-6-[(2S,3R,4S,5R)-2-acetamido-1,4,5,6-tetrahydroxyhexan-3-yl]oxy-2-(hydroxymethyl)oxan-3-yl]oxy-4,5-dihydroxy-6-(hydroxymethyl)oxan-3-yl]acetamide