| Glycolysis / Gluconeogenesis |
| Taurine and hypotaurine metabolism |
| Phosphonate and phosphinate metabolism |
| Glycosaminoglycan biosynthesis - heparan sulfate / heparin |
| Pyruvate metabolism |
| C5-Branched dibasic acid metabolism |
| Methane metabolism |
| Carbon fixation pathways in prokaryotes |
| Zeatin biosynthesis |
| Sulfur metabolism |
| Metabolic pathways |
| Biosynthesis of secondary metabolites |
| Microbial metabolism in diverse environments |
| Degradation of aromatic compounds |
| Cholinergic synapse |
| Carbohydrate digestion and absorption |
| Protein digestion and absorption |