Table 4

Monosaccharide composition of the N-linked oligosaccharide core structure of IgG1 from clones transformed with the FUT8 and GMD siRNA tandem expression vector during fed-batch culture

Clone Name
Culture period (day)
Relative composition of monosaccharide
Fucose(-)%b






Fucosea
GlcNAc
Mannose


32-05-12
6
0.92
4.00
2.86
8

12
0.94
4.00
2.99
6

16
0.97
4.00
3.01
3
FG1
6
n.d.
4.00
2.85
100

12
n.d.
4.00
2.97
100

16
n.d.
4.00
2.92
100
FG16
6
n.d.
4.00
2.82
100

12
n.d.
4.00
2.96
100

16
n.d.
4.00
2.96
100

aMolar ratios calculated vs. 4 GlcNAc; n.d., not detectable.

bTotal percentage of non-fucosylated Fc oligosaccharides calculated by the formula (1-a) × 100.

Imai-Nishiya et al. BMC Biotechnology 2007 7:84   doi:10.1186/1472-6750-7-84