| MF | GO:0003674 | molecular_function | None | Extended |
| MF | GO:0003824 | catalytic activity | None | Extended |
| MF | GO:0004325 | ferrochelatase activity | IEA | Interproscan |
| BP | GO:0006725 | cellular aromatic compound metabolic process | None | Extended |
| BP | GO:0006778 | porphyrin-containing compound metabolic process | None | Extended |
| BP | GO:0006779 | porphyrin-containing compound biosynthetic process | None | Extended |
| BP | GO:0006783 | heme biosynthetic process | IEA | Interproscan |
| BP | GO:0006807 | nitrogen compound metabolic process | None | Extended |
| BP | GO:0008150 | biological_process | None | Extended |
| BP | GO:0008152 | metabolic process | None | Extended |
| BP | GO:0009058 | biosynthetic process | None | Extended |
| BP | GO:0009987 | cellular process | None | Extended |
| MF | GO:0016829 | lyase activity | None | Extended |
| BP | GO:0018130 | heterocycle biosynthetic process | None | Extended |
| BP | GO:0019438 | aromatic compound biosynthetic process | None | Extended |
| BP | GO:0033013 | tetrapyrrole metabolic process | None | Extended |
| BP | GO:0033014 | tetrapyrrole biosynthetic process | None | Extended |
| BP | GO:0034641 | cellular nitrogen compound metabolic process | None | Extended |
| BP | GO:0042168 | heme metabolic process | None | Extended |
| BP | GO:0042440 | pigment metabolic process | None | Extended |
| BP | GO:0044237 | cellular metabolic process | None | Extended |
| BP | GO:0044249 | cellular biosynthetic process | None | Extended |
| BP | GO:0044271 | cellular nitrogen compound biosynthetic process | None | Extended |
| BP | GO:0046148 | pigment biosynthetic process | None | Extended |
| BP | GO:0046483 | heterocycle metabolic process | None | Extended |
| BP | GO:0071704 | organic substance metabolic process | None | Extended |
| BP | GO:1901360 | organic cyclic compound metabolic process | None | Extended |
| BP | GO:1901362 | organic cyclic compound biosynthetic process | None | Extended |
| BP | GO:1901564 | organonitrogen compound metabolic process | None | Extended |
| BP | GO:1901566 | organonitrogen compound biosynthetic process | None | Extended |
| BP | GO:1901576 | organic substance biosynthetic process | None | Extended |