| MMDBr0012857 | Adenosine triphosphate | ADP | Carbamate kinase | Phosphorylation | RHEA | 34755880 |
| MMDBr0013173 | diphosphate | Phosphoribosyl pyrophosphate | Bifunctional protein PyrR | Transfer of phosphoribosyl group | RHEA | 34755880 |
| MMDBr0013886 | Carbamoylphosphate | Hydrogen Ion | Ornithine carbamoyltransferase | Transfer of a carbamoyl group | RHEA | 34755880 |
| MMDBr0013901 | Water | Citrulline | Arginine deiminase | Hydrolysis of l-arginine to citrulline and ammonium ion | RHEA | 34755880 |
| MMDBr0013978 | Hydrogen peroxide | Water | Bromoperoxidase-catalase | Synthesis | RHEA | 34755880 |
| MMDBr0014336 | L-Lactic acid | Hydrogen Ion | L-lactate dehydrogenase | Dehydrogenation | RHEA | 34755880 |
| MMDBr0015385 | L-Arginine | L-Arginine | Putative arginine/ornithine antiporter | Transport | RHEA | 34755880 |
| MMDBr0017884 | L-Serine | Ammonium | L-serine dehydratase | Hydration/dehydration of C-O bond; Non-hydrolytic bond cleavage (or its reversal); Racemization | RHEA | 34755880 |
| MMDBr0024757 | L-Histidine | Pyruvic acid | Phosphoenolpyruvate-protein phosphotransferase | Transfer of phosphate group | RHEA | 34755880 |
