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Schematic representations of the predicted H-bonding and aromatic stacking interactions. (Upper) L → H threading. (Lower) H → L threading. Monosaccharide residues are denoted (33) as follows: Glcp (blue circles), GlcpNAc (blue squares), Galp (yellow circles), and Neu5Ac (purple diamonds). H-bonds are represented by arrows, and hydrophobic stacking interactions are shown as dotted red lines.
