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XB-ART-19482
Eur J Biochem 1995 Jul 15;2312:434-9.
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Structure of four acidic oligosaccharides from the jelly coat surrounding the eggs of Xenopus laevis.

Plancke Y, Wieruszeski JM, Alonso C, Boilly B, Strecker G.


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Novel acidic oligosaccharides were released by reductive beta-elimination from the jelly coat eggs of the Anuran Xenopus laevis. According to the structural analysis of these oligosaccharide-alditols, the following structures are proposed: [sequence: see text] where Kdn, 3-deoxy-D-glycero-D-galactononulosonic acid. These results confirm the species specificity of the glycanic structures present in the secretion of amphibian oviducts, and may form the basis of a specific egg-sperm recognition process.

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