Table 5 1H/13C chemical shifts (ppm, D2O, 300 K) of Isomaltooligosaccharide obtained by the incubation of maltooligomers with α-transglucosidase.
Residue | H1/C1 | H2/C2 | H3/C3 | H4/C4 | H5/C5 | H6a/C6 | H6b/C6 |
---|---|---|---|---|---|---|---|
-(1 → 4)-α-D-Glcp-(1 → 4)- | 5.395/100.7 | 3.621/72.0 | 3.963/74.3 | 3.664/77.8 | 3.841/72.2 | 3.882/61.5 | 3.812/61.5 |
α-D-Glcp-(1 → 4)- | 5.404/100.4 | 3.574/72.5 | 3.681/73.5 | 3.411/70.0 | 3.718/73.3 | 3.849/60.9 | 3.761/60.9 |
Rα, -(1 → 4)-D-Glcpα | 5.225/92.6 | 3.561/72.4 | 3.976/74.0 | 3.642/77.7 | 3.943/70.8 | 3.849/61.4; | 3.796/61.4 |
Rβ, -(1 → 4)-D-Glcpβ | 4.649/96.6 | 3.272/75.0 | 3.761/77.0 | 3.622/77.7 | 3.599/75.3 | 3.903/61.5 | 3.751/61.5 |
-(1 → 6)-α-D-Glcp-(1 → 6)- | 4.970/98.3 | 3.578/72.3 | 3.725/73.8 | 3.499/70.4 | 3.931/70.8 | 3.782/66.5 | 3.983/66.5 |
α-D-Glcp-(1 → 6)- | 4.984/98.3 | 3.556/72.4 | 3.751/73.9 | 3.422/70.5 | 3.751/72.5 | 3.851/61.2 | 3.781/61.2 |
Rα, -(1 → 6)-D-Glcpα | 5.239/93.0 | 3.551/72.4 | 3.718/73.8 | 3.531/70.3 | 4.015/70.9 | 3.705/66.7 | 3.999/66.7 |
Rβ, -(1 → 6)-D-Glcpβ | 4.672/97.1 | 3.252/75.0 | 3.448/76.9 | 3.521/70.3 | 3.642/75.2 | 3.781/66.7 | 3.961/66.7 |
-(1 → 6)-α-D-Glcp-(1 → 4) | 5.389/100.7 | 3.604/72.5 | 3.69/73.8 | 3.507/70.1 | 3.91/72.1 | 3.726/66.8 | 3.975/66.8 |
α-D-Glcp-(1 → 2)- | 5.084/97.6 | 3.551/72.3 | 3.781/73.8 | 3.452/70.5 | 3.935/72.9 | 3.842/61.0 | 3.771/61.0 |
Rα, -(1 → 2)-D-Glcpα | 5.427/90.2 | 3.632/77,1 | 3.807/72.2 | 3.452/70.7 | 3.852/72.2 | 3.842/61.0 | 3.761/61.0 |
Rβ, -(1 → 2)-D-Glcpβ | 4.785/97.1 | 3.373/79.9 | 3.551/75.4 | 3.437/70.9 | 3.452/76.5 | 3.867/61.5 | 3.688/61.0 |
α-D-Glcp-(1 → 3)- | 5.371/99.8 | 3.571/72.5 | 3.751/73.8 | 3.437/70.3 | 4.015/72.5 | 3.842/61.2 | 3.781/61.2 |
Rα, -(1 → 3)-D-Glcpα | 5.233/93.2 | 3.633/70.8 | 3.852/nd | 3.650/70.8 | 3.842/72.0 | 3.876/61.0 | 3.751/61.0 |
Rβ, -(1 → 3)-D-Glcpβ | 4.663/96.8 | 3.331/73.6 | 3.642/83.2 | 3.642/70.8 | 3.474/76.5 | 3.878/61.5 | 3.728/61.5 |