Table 1.
Residue | 1 | 2 | 3 | 4 | 5 | 6 | 7 | NAc* (C = O) | ||
---|---|---|---|---|---|---|---|---|---|---|
a | →3)-α-d-AATp-(1→ | 1H | 5.26 | 3.99 | 4.32 | 4.46 | 4.59 | 1.10 | ||
13C | 98.41 | 50.92 | 74.25 | 55.27 | 66.56 | 17.08 | 175.51 | |||
b | α-l-Fucp-(1→ | 1H | 4.97 | 3.69 | 3.59 | 3.65 | 4.14 | 1.17 | ||
13C | 100.18 | 69.06 | 71.02 | 72.97 | 67.80 | 16.87 | ||||
c | →2)-α-d-Hepp-[6→Bu]-(1→ | 1H | 4.84 | 3.85 | 3.75 | 3.92 | 3.41 | 4.08 | 3.77 | |
13C | 97.43 | 76.21 | 75.17 | 67.69 | 76.33 | 70.03 | 64.03 | |||
d | →3)-β-d-ManNAcp-(1→ | 1H | 4.79 | 4.60 | 3.95 | 3.56 | 3.44 | 3.84, 3.94 | ||
13C | 100.48 | 50.85 | 78.24 | 66.65 | 77.77 | 61.97 | 175.67 | |||
e | →4)-β-d-ADGp-[2→](1→ | 1H | 4.70 | 3.48 | 4.01 | 3.43 | 3.54 | 1.29 | ||
13C | 103.81 | 76.83 | 56.60 | 82.84 | 73.11 | 18.14 | 175.68 | |||
Bu-(3→ | 1H | 2.56 | 4.23 | 1.26 | ||||||
13C | 175.42 | 45.99 | 66.34 | 23.02 |
Chemical shifts are reported in ppm. AAT, 2-amino-4-acetamido-2,4,6-trideoxygalactose; ManNAc, N-acetyl mannosamine; ADG, 3-acetamido-3,6-dideoxyglucose.
The methyls in all three NAc groups have the same chemical shifts: δH 2.05 ppm and δC 23.41 ppm.