Authors
Anna K Balcerzak, Sandra S Ferreira, John F Trant, Robert N Ben
Publication date
2012/2/15
Journal
Bioorganic & medicinal chemistry letters
Volume
22
Issue
4
Pages
1719-1721
Publisher
Pergamon
Description
The β-d-galactosyl-(1,3)-α-N-acetyl-d-galactosamine disaccharide is present in antifreeze glycoproteins (AFGPs). Analogs of this disaccharide including the β-linked (1,3)-, (1,4)-, and (1,6)-galactosyl-N-acetyl galactosamine and the β-(1,3)-galactosyl-galactoside were synthesized and evaluated for ice recrystallization inhibition (IRI) activity. The results from this study demonstrate that the β-linked-(1,4) disaccharide exhibits more potent IRI activity than the native β-linked-(1,3) disaccharide. The C2 N-acetyl group of the disaccharide does not affect IRI activity but in monosaccharides, the presence of the C2 N-acetyl group decreases IRI activity. The current study will facilitate the design of potent small-molecule ice recrystallization inhibitors.
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