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Affinities enhanced by up to 619-fold were found for new ligands of the plant lectin wheat-germ agglutinin (compared to the binding of N-acetylglucosamine (GlcNAc)). These polyvalent neoglycopeptides were identified from screening of a spatially diverse library of type 1. Binding affinity is determined not only by the number of GlcNAc residues but also by the ligand architecture.
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Wittmann et al. (2004) studied this question.
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