| Glycolysis / Gluconeogenesis |
| Citrate cycle (TCA cycle) |
| Pentose phosphate pathway |
| Pentose and glucuronate interconversions |
| Ascorbate and aldarate metabolism |
| Alanine, aspartate and glutamate metabolism |
| Glycine, serine and threonine metabolism |
| Cysteine and methionine metabolism |
| Valine, leucine and isoleucine biosynthesis |
| Arginine and proline metabolism |
| Tyrosine metabolism |
| Phenylalanine metabolism |
| Benzoate degradation |
| Taurine and hypotaurine metabolism |
| Phosphonate and phosphinate metabolism |
| D-Alanine metabolism |
| Pyruvate metabolism |
| Dioxin degradation |
| Xylene degradation |
| Glyoxylate and dicarboxylate metabolism |
| Butanoate metabolism |
| C5-Branched dibasic acid metabolism |
| Methane metabolism |
| Carbon fixation in photosynthetic organisms |
| Carbon fixation pathways in prokaryotes |
| Thiamine metabolism |
| Vitamin B6 metabolism |
| Nicotinate and nicotinamide metabolism |
| Pantothenate and CoA biosynthesis |
| Terpenoid backbone biosynthesis |
| Nitrogen metabolism |
| 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 |
| 2-Oxocarboxylic acid metabolism |
| Biosynthesis of amino acids |
| Phosphotransferase system (PTS) |
| HIF-1 signaling pathway |
| Insulin secretion |
| Type II diabetes mellitus |