| Content | Number |
| Entries | 15182 |
| Entries with chemical formula | 12948 |
| Entries with molecular structure | 12946 |
| Links to PATHWAY | 4242 |
| Links to REACTION | 6013 |
| Links to ENZYME | 5433 |
| Content | Number |
| Entries | 7557 |
| Entries with chemical formula | 6249 |
| Entries with molecular structure | 5941 |
| Links to therapeutic category | 2780 |
| Content | Number |
| Entries | 10966 |
| Entries with class | 7242 |
| Links to PATHWAY | 189 |
| Links to REACTION | 319 |
| Links to ENZYME | 303 |
| Links to KO | 79 |
| Content | Number |
| Entries | 7656 |
| Entries with name | 5201 |
| Links to PATHWAY | 5441 |
| Links to ENZYME | 6424 |
| Links to KO | 3287 |
| Content | Number |
| Entries | 29748 |
| Links to COMPOUND | 9916 |
| Links to REACTION | 9888 |
| Content | Number |
| All entries | 5010 |
| Full EC number entries | 4102 |
Entries with systematic name | 3694 |
Links to PATHWAY | 2395 |
Links to GENES | 2177 |
Links to PDB | 1651 |
Links to KO | 2217 |
| Partial EC number entries | 112 |
| Deleted or transferred entries | 796 |
| EC number category | Number of subclasses | Number of sub-subclasses | Number of full EC numbers | PATHWAY | KO | UniProt | PDB |
| EC 1. Oxdoreductases | 22 | 99 | 1119 | 734 | 555 | 596 | 384 |
| EC 2. Transferases | 9 | 33 | 1179 | 713 | 635 | 639 | 412 |
| EC 3. Hydrolases | 13 | 55 | 1127 | 468 | 631 | 699 | 525 |
| EC 4. Lyases | 7 | 15 | 371 | 246 | 197 | 205 | 173 |
| EC 5. Isomerases | 6 | 17 | 165 | 123 | 96 | 100 | 86 |
| EC 6. Ligases | 6 | 10 | 141 | 111 | 103 | 91 | 71 |
| Total | 63 | 229 | 4102 | 2395 | 2217 | 2330 | 1651 |