TABLE 2.
1H NMR analysis of the PGLs produced by the various M. tuberculosis complex strains The columns correspond to the various proton resonances (in ppm). Attributions of the various resonance signals of PGL-tb were described previously (11, 12, 15).
| aa | ba | ca | da | e and e′a | fa | ga | ha | ia | i′a | ja | ka | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| M. tuberculosis H37Rv:pPET1 | ||||||||||||
| PGL-tb |
4.83 |
3.32 |
2.85 |
2.55 |
0.8–1.0 |
1.15 |
6.97 |
7.08 |
5.50 |
5.17; 5.15 |
3.48; 3.51; 3.57; 3.60 |
1.29 |
| M. bovis BCG | ||||||||||||
| Mycoside B |
4.83 |
3.32 |
2.85 |
2.55 |
0.8–1.0 |
1.14 |
6.9 |
7.1 |
5.5 |
3.51 |
1.29 |
|
| M. africanum | ||||||||||||
| 4.81 |
3.30 |
2.83 |
2.52 |
0.8–1.0 |
1.15 |
6.95 |
7.07 |
5.51 |
3.49 |
1.29 |
||
| M. pinnipedii | ||||||||||||
| 4.81 | 3.30 | 2.83 | 2.51 | 0.8–1.0 | 1.12 | 6.93 | 7.06 | 5.45 | 1.29 | |||
a
The letters refer to the protons of the various molecules (see Fig. 3) whose resonances are visible on the spectra