J. Biol. Chem., Vol. 255, Issue 8, 3526-3531, 04, 1980

The structures of the carbohydrate moieties of bovine blood coagulation factor X

T Mizuochi, K Yamashita, K Fujikawa, K Titani and A Kobata

Bovine blood coagulation factor X contains both asparagine-linked and threonine-linked oligosaccharides. The asparagine-linked chain is a mixture of a tridecasaccharide NeuAc alpha 2 leads to 3Gal beta 1 leads to 3(NeuAc alpha 2 leads to 6)GlcNAc beta 1 leads to 2Man alpha 1 leads to 6[NeuAc alpha 2 leads to 3Gal beta 1 leads to 3(NeuAc alpha 2 leads to 6)GlcNAc beta 1 leads to 2Man alpha 1 leads to 3]Man beta 1 leads to 4GlcNAc beta 1 leads to 4GlcNAc and a dodecasaccharide NeuAc alpha 2 leads to 6 Gal beta 1 leads to 4GlcNAc beta 1 leads to 2Man alpha 1 leads to 6[NeuAc alpha 2 leads to 3Gal beta 1 leads to 3(NeuAc alpha 2 leads to 6)GlcNAc beta 1 leads to 2Man alpha 1 leads to 3]Man beta 1 leads to 4GlcNAc beta 1 leads to 4GlcNAc and their partial desialylation products. The threonine-linked chain is a mixture of NeuAc alpha 2 leads to 3Gal beta 1 leads to 3(NeuAc alpha 2 leads to 6)GalNAc, NeuAc alpha 2 leads to 3Gal beta 1 leads to 3(NeuGly alpha 2 leads to 6)GalNAc, NeuGly alpha 2 leads to 3Gal beta 1 leads to 3 (NeuAc alpha 2 leads to 6)GalNAc, and NeuGly alpha 2 leads to 3Gal beta 1 leads to 3(NeuGly alpha 2 leads to 6)GalNAc, and their partial desialized forms. The carbohydrate moieties of the factor X subgroups, factors X1 and X2, are identical.
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