Table 1. Comparison between ECMDB 1.0 and ECMDB 2.0.
| Category | ECMDB 1.0 | ECMDB 2.0 |
|---|---|---|
| Number of metabolites | 2610 | 3760 |
| Number of reactions | 3145 | 8097 |
| Number of pathways | 125 | 1650 |
| Number of enzymes | 1271 | 1611 |
| Number of transporters | 278 | 706 |
| Number of proteins | 1549 | 2133 |
| Number of metabolite synonyms | 25 212 | 37 982 |
| Number of metabolite references | 4440 | 8591 |
| Number of MSDS sheets | 0 | 380 |
| Number of spectra | 4810 | 22 158 |
| Number of compounds with 1D NMR spectra | 103 | 564 |
| Number of compounds with 2D NMR spectra | 338 | 457 |
| Number of compounds with NMR or MS spectra | 412 | 3261 |
| Number of NMR spectra | 775 | 1487 |
| Number of MS spectra | 4035 | 20 671 |
| Number of predicted MS/MS spectra | 0 | 15 648 |
| Number of pathways from Pathwhiz/SMPDB | 0 | 1225 |
| Number of reactions from Pathwhiz/SMPDB | 0 | 3030 |
| Percentage of metabolites in reactions | 35% | 90% |
| Percentage of metabolites in pathways | 54% | 90% |