Table 2.
Previously reported structures of serogroup 11 PS repeat unitsa
| Serotype | Carbohydrate core structureb |
O-acetylation site (mol eq) |
Reference | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Core 1 | Core 2 | Core 3 | Core 4 | Phosphopolyalcohol pendant | Total | 1 | 2 | 3 | 4 | Unplaced | ||
| 11A | (1→6) α-Glc | (1→4) α-Gal | (1→3) β-Gal | (1→4) β-Glc | Gro | 2.6 | α-Glc H-2 (0.6) | α-Glc H-3 (0.5) | β-Gal H-4 (1.0) | Gro H-3 (0.5) | 27 | |
| 11B | (1→6) α-GlcNAc | (1→4) α-Gal | (1→3) β-Gal | (1→4) β-Glc | Rib | 1.4 | α-GlcNAc H-3 (0.9) | (0.5) | 19 | |||
| 11C | (1→6) α-GlcNAc | (1→4) α-Gal | (1→3) β-Gal | (1→4) β-Glc | Gro | 1.0 | α-GlcNAc H-3 (1.0) | 19 | ||||
| 11E | (1→6) α-Glc | (1→4) α-Gal | (1→3) β-Gal | (1→4) β-Glc | Gro | 1.7 | α-Glc H-2 (1.0) | α-Glc H-3 (0.4) | β-Gal H-4 (0.3) | 27 | ||
| 11F | (1→6) α-GlcNAc | (1→4) α-Gal | (1→3) β-Gal | (1→4) β-Glc | Rib | 2.0 | α-GlcNAc H-3 (0.5) | α-Gal H-2 (1.0) | (0.5) | 19 | ||
a
Serotype 11D PS structure has not been reported.