| Glycolysis / Gluconeogenesis |
| Citrate cycle (TCA cycle) |
| Fatty acid biosynthesis |
| Fatty acid elongation |
| Fatty acid metabolism |
| Synthesis and degradation of ketone bodies |
| Tetracycline biosynthesis |
| Valine, leucine and isoleucine degradation |
| Valine, leucine and isoleucine biosynthesis |
| Lysine biosynthesis |
| Lysine degradation |
| Phenylalanine metabolism |
| Benzoate degradation |
| Tryptophan metabolism |
| beta-Alanine metabolism |
| Taurine and hypotaurine metabolism |
| Glutathione metabolism |
| Inositol phosphate metabolism |
| Pyruvate metabolism |
| Dioxin degradation |
| Xylene degradation |
| Chloroalkane and chloroalkene degradation |
| Glyoxylate and dicarboxylate metabolism |
| Propanoate metabolism |
| Ethylbenzene degradation |
| Butanoate metabolism |
| Methane metabolism |
| Carbon fixation pathways in prokaryotes |
| Terpenoid backbone biosynthesis |
| Biosynthesis of type II polyketide backbone |
| Biosynthesis of plant secondary metabolites |
| Biosynthesis of phenylpropanoids |
| Biosynthesis of terpenoids and steroids |
| Biosynthesis of alkaloids derived from shikimate pathway |
| Biosynthesis of alkaloids derived from ornithine, lysine and nicotinic acid |
| Biosynthesis of alkaloids derived from histidine and purine |
| Biosynthesis of alkaloids derived from terpenoid and polyketide |
| Biosynthesis of plant hormones |
| Metabolic pathways |
| Biosynthesis of secondary metabolites |
| Microbial metabolism in diverse environments |
| Degradation of aromatic compounds |
| HIF-1 signaling pathway |
| Cholinergic synapse |
| Bile secretion |