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. Author manuscript; available in PMC: 2012 Nov 8.
Published in final edited form as: Biochemistry. 2011 Oct 13;50(44):9475–9487. doi: 10.1021/bi200301w

Table 1.

Extent of exchange versus normal sialylation

Asialo fetuin fetuin
CPM CPM
[9-3H]sialylated asialo fetuin or fetuin (Peak I) 28265 53800
Unused [9-3H]sialyl donor [9-3H]NeuAcα2,3 Galβ 1 ,3 GalNAcβ 1, 3Galα-O-Me (Peak II) 171120 115119
Unused CMP- [9-3H]NeuAc (Peak III) 50570 82086
CMP- [9-3H]NeuAc formed (Peaks I+III) 78835 135886