Title : Topsy-turvy binding of negatively charged homogalacturonan oligosaccharides to galectin-3.

Pub. Date : 2021 Apr 1

PMID : 32909036






2 Functional Relationships(s)
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1 Here, we used crystallography and NMR spectroscopy to demonstrate that negatively charged homogalacturonans (HG, linear polysaccharides of alpha(1 4)-linked-D-galacturonate (GalA)) bind to the galectin-3 carbohydrate recognition domain. Carbohydrates galectin 3 Homo sapiens
2 The HG carboxylates at the C6 positions in GalA rings mandate that this saccharide bind galectin-3 in an unconventional, "topsy-turvy" orientation that is flipped by about 180o relative to that of the canonical beta-galactoside lactose. Carbohydrates galectin 3 Homo sapiens