Table 1.
Sources and numbers of metabolites found in the MNXref 4.0 reconciliation. The number of metabolites found in the different resources and how non-redundant they are made through MNXref reconciliation. Secondary and deprecated identifiers are not counted here.
| Number of entries in | ||||
|---|---|---|---|---|
| Resources | Prefixesa | Total | Reactions | GSMNs |
| BiGG (1) | biggM | 9130 | 9053 | 6532 |
| ChEBI (2) | chebi | 134607 | 35025 | 14274 |
| enviPath (3) | envipath | 12306 | 1587 | 654 |
| HMDB (4) | hmdb | 195008 | 9596 | 5159 |
| KEGG (5) | keggC | 18673 | 9901 | 3140 |
| keggD | 11147 | 649 | 308 | |
| keggE | 864 | 0 | 0 | |
| keggG | 11042 | 405 | 109 | |
| LIPID MAPS (6) | lipidmaps | 43085 | 2890 | 1030 |
| MetaCYC (7) | metacycM | 20296 | 16192 | 4064 |
| REACTOME (8) | reactome | 5526 | 2039 | 1719 |
| RHEA (9) | rheaG b | 1494 | 1490 | 21 |
| rheaP b | 228 | 195 | 0 | |
| SABIO-RK (10) | sabiorkM | 8944 | 8899 | 1713 |
| TheSEED (11) | seedM | 33995 | 21630 | 4964 |
| SwissLipids (12) | slm | 777657 | 1833 | 624 |
| MetaNetX/MNXref 4.0 | 1045319 | 41687 | 10533 | |
| ratio c | 1.23 | 2.91 | 4.3 | |
| others d | 941 | |||
aThese prefixes are used to refer external resources in the TAB-delimited and RDF distributions of MNXref.
bThese are the few metabolites in RHEA reactions that are not directly encoded by a ChEBI identifier.
cAverage number of identifiers in external databases per MNXref entry.
dMetabolites that are only found in models.