| Pathway class | Total EC count | Orphan EC count |
|---|---|---|
| Amino acid metabolism | 743 | 42 |
| Biosynthesis of other secondary metabolites | 644 | 53 |
| Carbohydrate metabolism | 863 | 60 |
| Energy metabolism | 279 | 14 |
| Glycan biosynthesis and metabolism | 392 | 11 |
| Lipid metabolism | 403 | 30 |
| Metabolism of cofactors and vitamins | 485 | 33 |
| Metabolism of other amino acids | 231 | 18 |
| Metabolism of terpenoids and polyketides | 480 | 24 |
| Nucleotide metabolism | 174 | 10 |
| Xenobiotics biodegradation and metabolism | 421 | 32 |