| Glycolysis / Gluconeogenesis |
| Pentose and glucuronate interconversions |
| Fructose and mannose metabolism |
| Galactose metabolism |
| Glycerolipid metabolism |
| Inositol phosphate metabolism |
| Glycerophospholipid metabolism |
| Pyruvate metabolism |
| Methane metabolism |
| Carbon fixation in photosynthetic organisms |
| Nicotinate and nicotinamide metabolism |
| Metabolic pathways |
| Biosynthesis of secondary metabolites |
| Microbial metabolism in diverse environments |
| Biosynthesis of amino acids |