| MMDBr0013598 | 3-oxoadipate | 2-Maleylacetate | Maleylacetate reductase | Reduction | RHEA | 34755880 |
| MMDBr0013600 | 3-oxoadipate | 2-Maleylacetate | Maleylacetate reductase | Reduction | RHEA | 34755880 |
| MMDBr0013644 | Pyrocatechol | (2Z,4E)-2-hydroxy-6-oxohexa-2,4-dienoic acid | Catechol-2,3-dioxygenase | Oxygenative ring cleavage | RHEA | 34755880 |
| MMDBr0013845 | naphthalene | (1R,2S)-1,2-dihydronaphthalene-1,2-diol | Naphthalene 1,2-dioxygenase system, large oxygenase component | Oxygenation | RHEA | 34755880 |
| MMDBr0013851 | heme b | heme b | Cytochrome c biogenesis ATP-binding export protein CcmA | Transport | RHEA | 34755880 |
| MMDBr0013896 | Polyphosphate | Polyphosphate | ADP-polyphosphate phosphotransferase | Transfer of phosphate group | RHEA | 34755880 |
| MMDBr0013930 | Glucose 1-phosphate | Uridine diphosphate glucose | UTP--glucose-1-phosphate uridylyltransferase AglF | N-Acetylation | RHEA | 34755880 |
| MMDBr0013936 | 6-Hydroxymethyl-dihydropterin pyrophosphate | 7,8-Dihydropteroic acid | Dihydropteroate synthase type-1 | Reduction; Synthesis | RHEA | 34755880 |
| MMDBr0014113 | Polyphosphate | Polyphosphate | Endopolyphosphatase | Dephosphorylation; Hydrolysis of nucleotide | RHEA | 34755880 |
| MMDBr0014248 | (9Z,12Z)-octadecadienoic acid | 13(S)-HPODE | Linoleate 9/13-lipoxygenase | Oxygenation | RHEA | 34755880 |
| MMDBr0014390 | Hg | Hg(2+) | Mercuric reductase | Reduction | RHEA | 34755880 |
| MMDBr0014417 | Adenosine phosphosulfate | Phosphoadenosine phosphosulfate | Adenylyl-sulfate kinase | Phosphorylation | RHEA | 34755880 |
| MMDBr0014545 | Acetaldehyde | Acetic acid | Acetaldehyde dehydrogenase | Dehydrogenation | RHEA | 34755880 |
| MMDBr0014546 | Acetaldehyde | Acetic acid | Acetaldehyde dehydrogenase | Dehydrogenation | RHEA | 34755880 |
| MMDBr0014666 | Naphthalene-1,2-diol | 2-hydroxychromene-2-carboxylic acid | 1,2-dihydroxynaphthalene dioxygenase | Oxygenation | RHEA | 34755880 |
| MMDBr0014675 | (3E)-4-(2-hydroxyphenyl)-2-oxobut-3-enoic acid | Salicylaldehyde | Trans-O-hydroxybenzylidenepyruvate hydratase-aldolase | Aldol addition (or reverse) | RHEA | 34755880 |
| MMDBr0014983 | (9Z,12Z)-octadecadienoic acid | (9S)-hydroperoxy-(10E,12Z)-octadecadienoic acid | Linoleate 9/13-lipoxygenase | Oxygenation | RHEA | 34755880 |
| MMDBr0015351 | alpha-Linolenic acid | (13S)-hydroperoxy-(9Z,11E,15Z)-octadecatrienoic acid | Linoleate 9/13-lipoxygenase | Oxygenation | RHEA | 34755880 |
| MMDBr0015600 | (9Z)-octadecenoic acid | (8E,10S)-10-hydroperoxy-octadeca-8-enoic acid | Linoleate 9/13-lipoxygenase | Oxygenation | RHEA | 34755880 |
| MMDBr0015601 | (9Z,12Z)-octadecadienoic acid | (8E,10S,12Z)-10-hydroperoxyoctadeca-8,12-dienoic acid | Linoleate 9/13-lipoxygenase | Oxygenation | RHEA | 34755880 |
| MMDBr0015602 | alpha-Linolenic acid | (8E,10S,12Z,15Z)-10-hydroperoxyoctadeca-8,12,15-trienoic acid | Linoleate 9/13-lipoxygenase | Oxygenation | RHEA | 34755880 |
| MMDBr0015889 | Nitrogen | Nitrous oxide | Nitrous-oxide reductase | Reduction | RHEA | 34755880 |
| MMDBr0017081 | Guanosine triphosphate | cyclic AMP-AMP-GMP | Cyclic AMP-AMP-AMP synthase | Synthesis | RHEA | 34755880 |
| MMDBr0024422 | Acetyl-CoA | Hydrogen Ion | Aminoglycoside N(3)-acetyltransferase IV | N-Acetylation | RHEA | 34755880 |
| MMDBr0024479 | gentamicin C | Hydrogen Ion | Gentamicin 3-N-acetyltransferase | Acetylation | RHEA | 34755880 |
| MMDBr0024497 | S-Adenosylmethionine | S-Adenosylhomocysteine | Type I restriction enzyme MjaVII methylase subunit | Methylation | RHEA | 34755880 |
| MMDBr0036118 | N-eicosanoyl-sphing-4-enine | Arachidic acid | Neutral ceramidase | Hydrolysis | RHEA | 34755880 |
| MMDBr0036119 | Ceramide (d18:1/18:0) | Octadecanoate (N-C18:0) | Neutral ceramidase | Hydrolysis | RHEA | 34755880 |
| MMDBr0036120 | N-(hexanoyl)sphing-4-enine | Hexanoate (N-C6:0) | Neutral ceramidase | Hydrolysis | RHEA | 34755880 |
| MMDBr0036121 | N-(9Z-octadecenoyl)-sphing-4-enine | (9Z)-octadecenoic acid | Neutral ceramidase | Hydrolysis | RHEA | 34755880 |
| MMDBr0036122 | N-tetracosanoyl-sphing-4-enine | tetracosanoic acid | Neutral ceramidase | Hydrolysis | RHEA | 34755880 |
| MMDBr0036123 | Cer(d18:1/16:0) | hexadecanoic acid | Neutral ceramidase | Hydrolysis | RHEA | 34755880 |
