| MMDBr0024946 | alpha-Ketoglutarate | Succinic acid | Verruculogen synthase | Synthesis | Not Available | 0 | 3 | RHEA |
| MMDBr0024370 | S-Adenosylmethionine | S-Adenosylhomocysteine | Phosphatidylethanolamine N-methyltransferase | Methylation | Not Available | 0 | 63 | RHEA |
| MMDBr0024539 | Tetra-mu3-sulfido-tetrairon(2+) | 5'-Deoxyadenosine | Lipoyl synthase | Synthesis | Not Available | 0 | 579 | RHEA |
| MMDBr0024568 | L-Glutamine | L-Glutamic acid | Aspartyl/glutamyl-tRNA(Asn/Gln) amidotransferase subunit C | Amide group addition | Not Available | 0 | 1779 | RHEA |
| MMDBr0024586 | L-Serine | Hydrogen Ion | Probable bifunctional tRNA threonylcarbamoyladenosine biosynthesis protein | Phosphorylation; Synthesis | Not Available | 0 | 861 | RHEA |
| MMDBr0024587 | L-Serine | Hydrogen Ion | Mitogen-activated protein kinase kinae mkk2 | Phosphorylation | Not Available | 0 | 18 | RHEA |
| MMDBr0024809 | Cyclic pyranopterin monophosphate | Molybdopterin | Molybdopterin synthase catalytic subunit | Synthesis | Not Available | 0 | 52 | RHEA |
| MMDBr0025065 | molybdenum cofactor | L-Alanine | Molybdenum cofactor sulfurase | Sulfation of molybdenum | Not Available | 0 | 12 | RHEA |
| MMDBr0025071 | S-Adenosylmethionine | S-Adenosylhomocysteine | tRNA (guanine-N(7)-)-methyltransferase | Methylation | Not Available | 0 | 526 | RHEA |
| MMDBr0025153 | Hydrogen Ion | diphosphate | Molybdopterin-synthase adenylyltransferase | Synthesis | Not Available | 0 | 15 | RHEA |
| MMDBr0025237 | L-Threonine | Hydrogen Ion | Probable bifunctional tRNA threonylcarbamoyladenosine biosynthesis protein | Phosphorylation; Synthesis | Not Available | 0 | 859 | RHEA |
| MMDBr0025238 | L-Threonine | Hydrogen Ion | Mitogen-activated protein kinase kinae mkk2 | Phosphorylation | Not Available | 0 | 18 | RHEA |
| MMDBr0025305 | NADP(+) | Hydrogen Ion | Very-long-chain 3-oxoacyl-CoA reductase | Reduction | Not Available | 0 | 38 | RHEA |
| MMDBr0024343 | Adenosine triphosphate | Hydrogen Ion | Serine/threonine-protein kinase ssn3 | Phosphorylation | Not Available | 0 | 42 | RHEA |
| MMDBr0024401 | L-Serine | Adenosine 3',5'-diphosphate | Holo-[acyl-carrier-protein] synthase | Dehydrogenation; Synthesis | Not Available | 0 | 588 | RHEA |
| MMDBr0024505 | Tetradecanoyl-CoA | Hydrogen Ion | Glycylpeptide N-tetradecanoyltransferase | Transfer of glycylpeptide N-tetradecanoyl group | Not Available | 0 | 20 | RHEA |
| MMDBr0024549 | Myo-inositol hexakisphosphate | D-Myo-inositol 1,2,4,5,6-pentakisphosphate | 3-phytase | Hydrolysis | Not Available | 0 | 16 | RHEA |
| MMDBr0024590 | Adenosine triphosphate | ADP | Nucleoside diphosphate kinase | Phosphorylation | Not Available | 0 | 663 | RHEA |
| MMDBr0024701 | Acetyl-CoA | Hydrogen Ion | Histone acetyltransferase rtt109 | N-Acetylation | Not Available | 0 | 21 | RHEA |
| MMDBr0024702 | Acetyl-CoA | Hydrogen Ion | Histone acetyltransferase rtt109 | N-Acetylation | Not Available | 0 | 21 | RHEA |
| MMDBr0024720 | Uridine diphosphate glucose | Uridine 5'-diphosphate | Sterol 3-beta-glucosyltransferase | Transfer of a glucosyl group | Not Available | 0 | 26 | RHEA |
| MMDBr0024739 | Uridine diphosphate-N-acetylglucosamine | N,N'-diacetylchitobiosyldiphosphodolichol | UDP-N-acetylglucosamine transferase subunit alg13 | Transfer of UDP-N-acetylglucosamine | Not Available | 0 | 11 | RHEA |
| MMDBr0024771 | 2-hydroxyisobutanoyl-CoA | Hydrogen Ion | tRNA(Met) cytidine acetyltransferase TmcA | N-Acetylation | Not Available | 0 | 17 | RHEA |
| MMDBr0024772 | 2-hydroxyisobutanoyl-CoA | Hydrogen Ion | tRNA(Met) cytidine acetyltransferase TmcA | N-Acetylation | Not Available | 0 | 17 | RHEA |
| MMDBr0024964 | L-Cysteine | CoA | Palmitoyltransferase pfa3 | Transfer of a palmitoyl group | Not Available | 0 | 83 | RHEA |
