| MMDBr0013162 | Nitrate | Nitrite | Periplasmic nitrate reductase | Reduction | RHEA | 34755880 |
| MMDBr0013330 | Taurine | Taurine | Taurine import ATP-binding protein TauB | Transport | RHEA | 34755880 |
| MMDBr0013405 | Nitric oxide | Nitrite | Copper-containing nitrite reductase | Reduction | RHEA | 34755880 |
| MMDBr0013840 | Siroheme | 12,18-didecarboxysiroheme | Siroheme decarboxylase alpha subunit | Decarboxylation | RHEA | 34755880 |
| MMDBr0024706 | Water | Hydroxylamine | Hydroxylamine reductase | Reduction | RHEA | 34755880 |
| MMDBr0025387 | Thiosulfate | Hydrogen Ion | L-cysteine S-thiosulfotransferase subunit SoxA | Transfer of a L-cysteine S-thiosulfo group | RHEA | 34755880 |
| MMDBr0025621 | L-Cysteine | Hydrogen Ion | L-cysteine S-thiosulfotransferase subunit SoxA | Transfer of a L-cysteine S-thiosulfo group | RHEA | 34755880 |
