Table 2.
Example of a mass equivalence class for pairs of compounds and their mass vectors
| Compound pair | C | H | N | O | P | S |
|---|---|---|---|---|---|---|
| 2-Ketoglutarate | 5 | 4 | 0 | 5 | 0 | 0 |
| d-beta-d-heptose-17-diphosphate | 7 | 12 | 0 | 13 | 2 | 0 |
| 2-pg | 3 | 4 | 0 | 7 | 1 | 0 |
| Methyl-glyoxal | 3 | 4 | 0 | 2 | 0 | 0 |
| 3-p-hydroxypyruvate | 3 | 2 | 0 | 7 | 1 | 0 |
| Acetol | 3 | 6 | 0 | 2 | 0 | 0 |
| 3-p-hydroxypyruvate | 3 | 2 | 0 | 7 | 1 | 0 |
| Hydroxypropanal | 3 | 6 | 0 | 2 | 0 | 0 |
| 3-p-hydroxypyruvate | 3 | 2 | 0 | 7 | 1 | 0 |
| Lactald | 3 | 6 | 0 | 2 | 0 | 0 |
| 3OH-4P-OH-alpha-ketobutyrate | 4 | 4 | 0 | 8 | 1 | 0 |
| Acetald | 2 | 4 | 0 | 1 | 0 | 0 |
| Ascorbate | 6 | 6 | 0 | 6 | 0 | 0 |
| Fructose-16-diphosphate | 6 | 10 | 0 | 12 | 2 | 0 |
| Ascorbate | 6 | 6 | 0 | 6 | 0 | 0 |
| Tagatose-1-6-diphosphate | 6 | 10 | 0 | 12 | 2 | 0 |
| Cpd0-1063 | 9 | 14 | 0 | 12 | 1 | 0 |
| Phospho-enol-pyruvate | 3 | 2 | 0 | 6 | 1 | 0 |
| Formate | 1 | 1 | 0 | 2 | 0 | 0 |
| Cpd-10551 | 5 | 7 | 0 | 7 | 1 | 0 |
| Dihydroxy-butanone-p | 4 | 7 | 0 | 6 | 1 | 0 |
| Glyox | 2 | 1 | 0 | 3 | 0 | 0 |
| Dihydroxyacetone | 3 | 6 | 0 | 3 | 0 | 0 |
| Phospho-enol-pyruvate | 3 | 2 | 0 | 6 | 1 | 0 |
| Dihydroxy-acetone-phosphate | 3 | 5 | 0 | 6 | 1 | 0 |
| Pyruvate | 3 | 3 | 0 | 3 | 0 | 0 |
| Gap | 3 | 5 | 0 | 6 | 1 | 0 |
| Pyruvate | 3 | 3 | 0 | 3 | 0 | 0 |
| G3P | 3 | 4 | 0 | 7 | 1 | 0 |
| Methyl-glyoxal | 3 | 4 | 0 | 2 | 0 | 0 |
| Hydrogen-molecule | 0 | 2 | 0 | 0 | 0 | 0 |
| l-ascorbate-6-phosphate | 6 | 6 | 0 | 9 | 1 | 0 |
| l-glyceraldehyde-3-phosphate | 3 | 5 | 0 | 6 | 1 | 0 |
| Pyruvate | 3 | 3 | 0 | 3 | 0 | 0 |
| OH-pyr | 3 | 3 | 0 | 4 | 0 | 0 |
| Propionyl-P | 3 | 5 | 0 | 5 | 1 | 0 |
| Propionyl-P | 3 | 5 | 0 | 5 | 1 | 0 |
| Tartronate-S-ald | 3 | 3 | 0 | 4 | 0 | 0 |
The sum of mass vectors for each pair is a multiple of a scalar and the basis vector (6, 8, 0, 9, 1, 0).