Journal
BIOCHEMICAL JOURNAL
Volume 359, Issue -, Pages 249-254Publisher
PORTLAND PRESS LTD
DOI: 10.1042/0264-6021:3590249
Keywords
alpha(1)-antitrypsin; branching; fucosylation; glycoproteins; transferrin
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The N-linked glycans on transferrin and alpha (1)-antitrypsin from patients with congenital disorders of glycosylation type I have increased fucosylation and branching relative to normal controls. The elevated levels of monofucosylated biantennary glycans are probably due to increased alpha-(1 --> 6) facosylation. The presence of bi- and trifucosylated triantennary and tetra-antennary glycans indicated that peripheral alpha-(1 --> 3), as well as core alpha-(1 --> 6), fucosylation is increased. Altered processing was observed on both the fully and underglycosylated glycoforms.
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