| Pathway class | Total EC count | Orphan EC count |
|---|---|---|
| Amino acid metabolism | 740 | 42 |
| Biosynthesis of other secondary metabolites | 635 | 62 |
| Carbohydrate metabolism | 815 | 49 |
| Energy metabolism | 276 | 12 |
| Glycan biosynthesis and metabolism | 391 | 12 |
| Lipid metabolism | 400 | 31 |
| Metabolism of cofactors and vitamins | 485 | 29 |
| Metabolism of other amino acids | 230 | 18 |
| Metabolism of terpenoids and polyketides | 481 | 29 |
| Nucleotide metabolism | 173 | 12 |
| Xenobiotics biodegradation and metabolism | 415 | 28 |