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 |