| Chain | GOid | namespace | contents |
| A | 0008198 | molecular_function | ferrous iron binding |
| A | 0016491 | molecular_function | oxidoreductase activity |
| A | 0016702 | molecular_function | oxidoreductase activity, acting on single donors with incorporation of molecular oxygen, incorporation of two atoms of oxygen |
| B | 0008198 | molecular_function | ferrous iron binding |
| B | 0016491 | molecular_function | oxidoreductase activity |
| B | 0016702 | molecular_function | oxidoreductase activity, acting on single donors with incorporation of molecular oxygen, incorporation of two atoms of oxygen |
| B | 0046872 | molecular_function | metal ion binding |
| B | 0051213 | molecular_function | dioxygenase activity |
| C | 0008198 | molecular_function | ferrous iron binding |
| C | 0016491 | molecular_function | oxidoreductase activity |
| C | 0016702 | molecular_function | oxidoreductase activity, acting on single donors with incorporation of molecular oxygen, incorporation of two atoms of oxygen |
| D | 0008198 | molecular_function | ferrous iron binding |
| D | 0016491 | molecular_function | oxidoreductase activity |
| D | 0016702 | molecular_function | oxidoreductase activity, acting on single donors with incorporation of molecular oxygen, incorporation of two atoms of oxygen |
| D | 0046872 | molecular_function | metal ion binding |
| D | 0051213 | molecular_function | dioxygenase activity |
