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. 1979 Jul;31(1):253-6.
doi: 10.1128/JVI.31.1.253-256.1979.

Carbohydrates of influenza virus. III. Nature of oligosaccharide-protein linkage in viral glycoproteins

W Keil, H D Klenk, R T Schwarz

Carbohydrates of influenza virus. III. Nature of oligosaccharide-protein linkage in viral glycoproteins

W Keil et al. J Virol. 1979 Jul.

Abstract

Four different glycopeptides can be distinguished after pronase digestion of influenza A virus glycoproteins: Ia and Ib, containing N-acetylglucosamine, mannose, galactose, and fucose, and IIa and IIb, containing mannose and N-acetylglucosamine. All glycopeptides yielded N-acetylglucosaminyl-asparagine after mild acid hydrolysis. There was no evidence for O-glycosidic bonds. Thus, the carbohydrate complement is linked to the polypeptide exclusively by N-glycosidic linkages between N-acetylglucosamine and asparagine.

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