| Chain | GOid | namespace | contents |
| A | 0004325 | molecular_function | ferrochelatase activity |
| A | 0005506 | molecular_function | iron ion binding |
| A | 0005515 | molecular_function | protein binding |
| A | 0005739 | cellular_component | mitochondrion |
| A | 0005743 | cellular_component | mitochondrial inner membrane |
| A | 0005759 | cellular_component | mitochondrial matrix |
| A | 0006091 | biological_process | generation of precursor metabolites and energy |
| A | 0006779 | biological_process | porphyrin-containing compound biosynthetic process |
| A | 0006783 | biological_process | heme biosynthetic process |
| A | 0006784 | biological_process | heme A biosynthetic process |
| A | 0006785 | biological_process | heme B biosynthetic process |
| A | 0008198 | molecular_function | ferrous iron binding |
| A | 0009416 | biological_process | response to light stimulus |
| A | 0016829 | molecular_function | lyase activity |
| A | 0020037 | molecular_function | heme binding |
| A | 0030350 | molecular_function | iron-responsive element binding |
| A | 0031966 | cellular_component | mitochondrial membrane |
| A | 0042802 | molecular_function | identical protein binding |
| A | 0042803 | molecular_function | protein homodimerization activity |
| A | 0043190 | cellular_component | ATP-binding cassette (ABC) transporter complex |
| A | 0046501 | biological_process | protoporphyrinogen IX metabolic process |
| A | 0046872 | molecular_function | metal ion binding |
| A | 0046906 | molecular_function | tetrapyrrole binding |
| A | 0051536 | molecular_function | iron-sulfur cluster binding |
| A | 0051537 | molecular_function | 2 iron, 2 sulfur cluster binding |
| D | 0004325 | molecular_function | ferrochelatase activity |
| D | 0005506 | molecular_function | iron ion binding |
| D | 0005515 | molecular_function | protein binding |
| D | 0005739 | cellular_component | mitochondrion |
| D | 0005743 | cellular_component | mitochondrial inner membrane |
| D | 0005759 | cellular_component | mitochondrial matrix |
| D | 0006091 | biological_process | generation of precursor metabolites and energy |
| D | 0006779 | biological_process | porphyrin-containing compound biosynthetic process |
| D | 0006783 | biological_process | heme biosynthetic process |
| D | 0006784 | biological_process | heme A biosynthetic process |
| D | 0006785 | biological_process | heme B biosynthetic process |
| D | 0008198 | molecular_function | ferrous iron binding |
| D | 0009416 | biological_process | response to light stimulus |
| D | 0016829 | molecular_function | lyase activity |
| D | 0020037 | molecular_function | heme binding |
| D | 0030350 | molecular_function | iron-responsive element binding |
| D | 0031966 | cellular_component | mitochondrial membrane |
| D | 0042802 | molecular_function | identical protein binding |
| D | 0042803 | molecular_function | protein homodimerization activity |
| D | 0043190 | cellular_component | ATP-binding cassette (ABC) transporter complex |
| D | 0046501 | biological_process | protoporphyrinogen IX metabolic process |
| D | 0046872 | molecular_function | metal ion binding |
| D | 0046906 | molecular_function | tetrapyrrole binding |
| D | 0051536 | molecular_function | iron-sulfur cluster binding |
| D | 0051537 | molecular_function | 2 iron, 2 sulfur cluster binding |