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Representative disaccharide unit, GlcA(β1−3)GalNAc, of CS backbones in the 3D stick model. Hydrogens, carbons, oxygens and nitrogens are respectively represented in light grey, dark grey, red and blue. Carbon atoms are numbered according to their positions in the ring. Monosaccharides are indicated accordingly. Model created by the online AMBER/GLYCAM-based carbohydrate builder [40].
