Table 1.
1H and 13C NMR chemical shifts and inter-residue connectivities observed for O-PS isolated from K. pneumoniae LPS from strain Kp24.
| Residue | Description | Chemical shifts (ppm) | Selected inter-residue NOE and 3JH,C connectivities | ||||||
|---|---|---|---|---|---|---|---|---|---|
| H-1/C-1 | H-2/C-2 | H-3/C-3 | H-4/C-4 | H-5/C-5 | H-6a, H-6b/C-6 | H1/C1 connectivities to | Inter-residue atom/residue | ||
| A | → 3)-β-d-Galf-(1 → | 5.22 | 4.34 | 4.08 | 4.30 | 3.86 | 3.69 | 3.95 | H-3, C-3 of C |
| 110.6 | 81.4 | 85.7 | 80.5 | 71.0 | 63.7 | 77.7 | |||
| B | → 3)-α-d-Galp-(1 → | 5.19 | 4.04 | 4.15 | 4.29 | 4.24 | 3.76 | 3.80 | H-3, C-3 of E |
| 96.1 | 68.2 | 80.0 | 70.0 | 71.4 | 61.9 | 77.7 | |||
| C | → 3,4)-α-d-Galp-(1 → | 5.10 | 4.10 | 3.95 | 4.18 | 4.17 | 3.91 | 4.08 | H-3, C-3 of A |
| 100.9 | 68.6 | 77.7 | 79.1 | 73.1 | 61.1 | 85.7 | |||
| D | α-d-Galp-(1 → | 5.01 | 3.83 | 3.92 | 4.07 | 4.24 | 3.79 | 4.18 | H-4, C-4 of C |
| 101.2 | 69.9 | 70.0 | 69.5 | 71.4 | 60.9 | 79.1 | |||
| E | → 3)-β-d-Galp-(1 → | 4.69 | 3.75 | 3.80 | 4.19 | 3.68 | 3.76 | 4.15 | H-3, C-3 of B |
| 105.1 | 70.4 | 77.7 | 65.6 | 75.7 | 61.9 | 80.0 | |||