Abstract
Newcastle disease virus sialidase was found to exhibit strict specificity for hydrolysis of the NeuAcα2→3Gal linkage contained in glycoprotein oligosaccharides both N-linked to asparagine and O-linked to threonine or serine under conditions that left oligosaccharides containing the NeuAc α2→6Gal and NeuAcα2→6GallNAc linkages intact. This was determined, in part, by examining
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