| MMDBr0013939 | S-(Hydroxymethyl)glutathione | S-Formylglutathione | Alcohol dehydrogenase class-3 | Dehydrogenation | RHEA | 34755880 |
| MMDBr0013940 | S-(Hydroxymethyl)glutathione | S-Formylglutathione | Alcohol dehydrogenase class-3 | Dehydrogenation | RHEA | 34755880 |
| MMDBr0014216 | S-(Hydroxymethyl)glutathione | Formaldehyde | Putative glutathione-dependent formaldehyde-activating enzyme | Condensation | RHEA | 34755880 |
| MMDBr0014755 | (3S)-3-hydroxy-D-aspartic acid | Glycine | 3-hydroxy-D-aspartate aldolase | Aldol addition (or reverse) | RHEA | 34755880 |
| MMDBr0014756 | Glycine | (3S)-3-hydroxy-D-aspartic acid | 3-hydroxy-D-aspartate aldolase | Aldol addition (or reverse) | RHEA | 34755880 |
| MMDBr0014757 | (3R)-3-hydroxy-D-aspartic acid | Glycine | 3-hydroxy-D-aspartate aldolase | Aldol addition (or reverse) | RHEA | 34755880 |
| MMDBr0014776 | Farnesyl pyrophosphate | Fe(II)-heme o | Protoheme IX farnesyltransferase, mitochondrial | Farnesylation | RHEA | 34755880 |
| MMDBr0014976 | Methylamine | Formaldehyde | Methylamine dehydrogenase heavy chain | Dehydrogenation | RHEA | 34755880 |
| MMDBr0015889 | Nitrogen | Nitrous oxide | Nitrous-oxide reductase | Reduction | RHEA | 34755880 |
| MMDBr0024380 | Iron(3+) | Hydrogen Ion | Ubiquinol-cytochrome c reductase iron-sulfur subunit | Reduction | RHEA | 34755880 |
| MMDBr0024393 | Biotin | Hydrogen Ion | Putative biotin ligase | Ligation | RHEA | 34755880 |
| MMDBr0024569 | alpha-Ketoglutarate | L-Glutamic acid | Aromatic-amino-acid aminotransferase 1 | Amine group addition | RHEA | 34755880 |
| MMDBr0024698 | Water | Hydrogen Ion | Quinohemoprotein amine dehydrogenase subunit gamma | Dehydrogenation | RHEA | 34755880 |
| MMDBr0024699 | Water | Hydrogen Ion | Quinohemoprotein amine dehydrogenase subunit gamma | Dehydrogenation | RHEA | 34755880 |
| MMDBr0024713 | NADP(+) | Hydrogen Ion | Acetoacetyl-CoA reductase | Reduction | RHEA | 34755880 |
| MMDBr0024761 | FADH2 | Hydrogen Ion | Electron transfer flavoprotein-ubiquinone oxidoreductase | Redox reaction | RHEA | 34755880 |
| MMDBr0024999 | Succinic acid | fumarate | Succinate dehydrogenase flavoprotein subunit | Dehydrogenation; Reduction | RHEA | 34755880 |
| MMDBr0025372 | Iron(3+) | Hydrogen Ion | Methanol dehydrogenase [cytochrome c] subunit 1 | Dehydrogenation | RHEA | 34755880 |
| MMDBr0025650 | Hydrogen Ion | Hydrogen Ion | NADH-quinone oxidoreductase subunit C/D | Redox reaction | RHEA | 34755880 |
