| MMDBr0024858 | di-mu-Sulfido-diiron(2+) | Copper | Photosystem I P700 chlorophyll a apoprotein A2 | Not Available | Not Available | 0 | 112 | RHEA |
| MMDBr0024639 | di-mu-Sulfido-diiron(2+) | di-mu-Sulfido-diiron(1+) | Molybdenum-containing formylmethanofuran dehydrogenase 1 subunit C | Dehydrogenation | Not Available | 0 | 13 | RHEA |
| MMDBr0025053 | di-mu-Sulfido-diiron(2+) | di-mu-Sulfido-diiron(1+) | F(420)H(2) dehydrogenase subunit F | Dehydrogenation | Not Available | 0 | 1 | RHEA |
| MMDBr0025254 | lactic acid | di-mu-Sulfido-diiron(2+) | Lactate dehydrogenase (NAD(+),ferredoxin) subunit LctB | Dehydrogenation | Not Available | 0 | 3 | RHEA |
| MMDBr0024650 | di-mu-Sulfido-diiron(1+) | di-mu-Sulfido-diiron(2+) | Ferredoxin--NADP reductase | Dehydrogenation; Reduction | Not Available | 0 | 245 | RHEA |
| MMDBr0024671 | Carbon monoxide | di-mu-Sulfido-diiron(1+) | Acetyl-CoA decarbonylase/synthase complex subunit alpha | Dehydrogenation; Synthesis | Not Available | 0 | 26 | RHEA |
| MMDBr0025637 | di-mu-Sulfido-diiron(1+) | Formaldehyde | Dicamba O-demethylase, oxygenase component | Demethylation | Not Available | 0 | 1 | RHEA |
| MMDBr0025618 | di-mu-Sulfido-diiron(1+) | di-mu-Sulfido-diiron(2+) | Dihydrorhizobitoxine desaturase | Desaturation | Not Available | 0 | 1 | RHEA |
| MMDBr0025619 | di-mu-Sulfido-diiron(1+) | di-mu-Sulfido-diiron(2+) | Dihydrorhizobitoxine desaturase | Desaturation | Not Available | 0 | 1 | RHEA |
| MMDBr0025313 | di-mu-Sulfido-diiron(1+) | di-mu-Sulfido-diiron(2+) | dTDP-4-dehydro-2,6-dideoxy-D-glucose 3-dehydratase | Hydration/dehydration of C-O bond | Not Available | 0 | 1 | RHEA |
| MMDBr0024566 | Hydrogen | di-mu-Sulfido-diiron(1+) | Membrane-bound hydrogenase subunit alpha | Hydrogenation | Not Available | 0 | 8 | RHEA |
| MMDBr0024856 | beta-Carotene | Zeaxanthin | Beta-carotene hydroxylase | Hydroxylation | Not Available | 0 | 3 | RHEA |
| MMDBr0024931 | 5-b-Cholestane-3a ,7a ,12a-triol | di-mu-Sulfido-diiron(2+) | Vitamin D(3) 25-hydroxylase | Hydroxylation | Not Available | 0 | 1 | RHEA |
| MMDBr0024997 | 6-deoxyerythronolide B | erythronolide B | 6-deoxyerythronolide B hydroxylase | Hydroxylation | Not Available | 0 | 1 | RHEA |
| MMDBr0025095 | di-mu-Sulfido-diiron(1+) | di-mu-Sulfido-diiron(2+) | 2-hydroxy-5-methyl-1-naphthoate 7-hydroxylase | Hydroxylation | Not Available | 0 | 1 | RHEA |
| MMDBr0025359 | Vitamin D3 | Calcidiol | Vitamin D3 dihydroxylase | Hydroxylation | Not Available | 0 | 1 | RHEA |
| MMDBr0025360 | Calcidiol | Calcitriol | Vitamin D3 dihydroxylase | Hydroxylation | Not Available | 0 | 1 | RHEA |
| MMDBr0025402 | di-mu-Sulfido-diiron(1+) | di-mu-Sulfido-diiron(2+) | Cytochrome P450 CYP107DY1 | Hydroxylation | Not Available | 0 | 1 | RHEA |
| MMDBr0025175 | 27-Hydroxycholesterol | di-mu-Sulfido-diiron(2+) | Steroid C26-monooxygenase | Hydroxylation; Oxygenation | Not Available | 0 | 2 | RHEA |
| MMDBr0025176 | 27-Hydroxycholesterol | di-mu-Sulfido-diiron(2+) | Steroid C26-monooxygenase | Hydroxylation; Oxygenation | Not Available | 0 | 2 | RHEA |
| MMDBr0025178 | Cholestenone | di-mu-Sulfido-diiron(2+) | Steroid C26-monooxygenase | Hydroxylation; Oxygenation | Not Available | 0 | 2 | RHEA |
| MMDBr0025179 | Cholestenone | di-mu-Sulfido-diiron(2+) | Steroid C26-monooxygenase | Hydroxylation; Oxygenation | Not Available | 0 | 2 | RHEA |
| MMDBr0025180 | di-mu-Sulfido-diiron(1+) | di-mu-Sulfido-diiron(2+) | Steroid C26-monooxygenase | Hydroxylation; Oxygenation | Not Available | 0 | 3 | RHEA |
| MMDBr0025181 | di-mu-Sulfido-diiron(1+) | di-mu-Sulfido-diiron(2+) | Steroid C26-monooxygenase | Hydroxylation; Oxygenation | Not Available | 0 | 3 | RHEA |
| MMDBr0025182 | di-mu-Sulfido-diiron(1+) | di-mu-Sulfido-diiron(2+) | Steroid C26-monooxygenase | Hydroxylation; Oxygenation | Not Available | 0 | 3 | RHEA |