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A) Lectin binding to 18 or 19 displayed on supported bilayers. HPA exhibits a stronger binding to 18 (α-GalNAc) while BPA exhibits a stronger affinity for 19 (β-GalNAc) B) Lectin binding to 18 or 20 displayed on supported bilayers. ECA exhibits a stronger affinity for 20 (β-LacNAc). The carbohydrate specificities of the lectin bindings replicate those seen in natural biological systems. Error bars indicate the standard deviation for 3 replicate experiments.
