Section 5
Chapter 4,686

Affinity chromatography of sialoglycoproteins, utilising the interaction of serotonin with n-acetylneuraminic acid and its derivatives

Sturgeon, R.J.; Sturgeon, C.M.

Carbohydrate Research 103(2): 213-219


ISSN/ISBN: 0008-6215
PMID: 6180829
Accession: 004685374

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Serotonin, immobilized on Sepharose 4B, was used to study the affinity chromatography of neuraminic acid and its derivatives. Free N-acetylneuraminic acid and oligosaccharides, polysaccharides and glycoproteins containing that sugar are specifically bound to the columns. Removal of neuraminic acid from sialoglycoconjugates, or modification of the neuraminic acid residues by periodate oxidation, abolishes their ability to bind to the ligand. The presence of the N-acetyl group, but not the N-glycolyl group, and the integrity of the side chain (C-7-C-9) of the neuraminic acid are essential for binding to serotonin.

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