TABLE 2.
Sugar residues |
13C/1H (ppm) |
||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | NAc | NAc | |
A →8)-α-8eLeg5Ac7Ac-(2→ | 176.60 | 103.01 | 43.58 | 71.04 | 55.36 | 74.26 | 56.48 | 73.79 | 16.71 | 24.88a | 24.73b |
2.75eq | 3.51 | 3.67 | 3.98 | 3.89 | 3.89 | 1.31 | 1.92a | 2.03b | |||
1.74ax | 176.58a | 176.35b | |||||||||
B →3)-α-d-GalNAc-(1→ | 95.38 | 50.73 | 79.37 | 71.34 | 73.27 | 63.31 | 24.94c | ||||
4.96 | 4.23 | 3.61 | 4.16 | 3.77 | 3.68 | 2.01c | |||||
3.73 | 176.95c | ||||||||||
C →3)-β-l-FucNAc-(1→ | 105.50 | 54.05 | 78.50 | 72.96 | 73.03 | 18.26 | 24.64c | ||||
4.38 | 3.95 | 3.78 | 3.72 | 3.77 | 1.24 | 1.95c | |||||
176.67c | |||||||||||
D →3)-β-l-FucNAc-(1→ | 101.24 | 50.60 | 76.25 | 73.59 | 69.15 | 18.55 | 24.78c | ||||
5.00 | 4.15 | 3.96 | 4.04 | 4.07 | 1.22 | 2.01c | |||||
176.90c | |||||||||||
E →4,8)-α-8eLeg5Ac7Ac-(2→ | 174.99 | 105.90 | 40.51 | 74.26 | 52.98 | 75.25 | 56.14 | 74.53 | 16.98 | 24.71a | 24.60b |
2.79eq | 3.56 | 3.79 | 4.11 | 3.95 | 3.82 | 1.39 | 1.88a | 1.96b | |||
1.54ax | 176.55a | 176.70b | |||||||||
F α-Yer-(1→4) | 95.68 | 66.92 | 32.16 | 77.59 | 69.83 | 14.87 | 71.78d | 17.90e | |||
4.89 | 3.94 | 1.76eq | 4.07 | 1.08 | 3.65d | 1.15e | |||||
1.70ax | |||||||||||
G α-Yer-(1→8) | 95.75 | 67.28 | 32.16 | 77.59 | 69.83 | 14.89 | 71.78d | 17.90e | |||
4.91 | 3.93 | 1.76eq | 4.07 | 1.11 | 3.65d | 1.15e | |||||
1.68ax | |||||||||||
Minor form | |||||||||||
A α-8eLeg5Ac7Ac-(2→ | 176.17 | 103.42 | 43.38 | 71.24 | 55.36 | 75.72 | 55.67 | 71.50 | 21.24 | 25.03a | 24.78b |
2.77eq | 3.51 | 3.64 | 3.94 | 3.90 | 4.06 | 1.22 | 1.92a | 2.01b | |||
1.76ax | 176.70a | 176.81b |
a For 5NAc.
b For 7NAc.
c For 2NAc.
d For the first position of the group attached to the 4th carbon on the sugar ring, i.e. 41 position or the —CHOH– group.
e For the second position of the group attached to the 4th carbon on the sugar ring, i.e. 42 position or the CH3– group.