| Chain | GOid | namespace | contents |
| a | 0004129 | molecular_function | cytochrome-c oxidase activity |
| a | 0009060 | biological_process | aerobic respiration |
| a | 0015990 | biological_process | electron transport coupled proton transport |
| a | 0016020 | cellular_component | membrane |
| a | 0020037 | molecular_function | heme binding |
| a | 0045277 | cellular_component | respiratory chain complex IV |
| b | 0004129 | molecular_function | cytochrome-c oxidase activity |
| b | 0005507 | molecular_function | copper ion binding |
| b | 0016020 | cellular_component | membrane |
| b | 0016491 | molecular_function | oxidoreductase activity |
| b | 0022900 | biological_process | electron transport chain |
| c | 0004129 | molecular_function | cytochrome-c oxidase activity |
| c | 0009055 | molecular_function | electron transfer activity |
| c | 0016020 | cellular_component | membrane |
| c | 0019646 | biological_process | aerobic electron transport chain |
| c | 0022904 | biological_process | respiratory electron transport chain |
| e | 0005740 | cellular_component | mitochondrial envelope |
| e | 0006123 | biological_process | mitochondrial electron transport, cytochrome c to oxygen |
| e | 0045277 | cellular_component | respiratory chain complex IV |
| e | 0046872 | molecular_function | metal ion binding |
| f | 0005743 | cellular_component | mitochondrial inner membrane |
| f | 0006123 | biological_process | mitochondrial electron transport, cytochrome c to oxygen |
| f | 0030234 | molecular_function | enzyme regulator activity |
| g | 0005739 | cellular_component | mitochondrion |
| g | 0016020 | cellular_component | membrane |
| g | 0045277 | cellular_component | respiratory chain complex IV |
| h | 0005743 | cellular_component | mitochondrial inner membrane |
| i | 0005743 | cellular_component | mitochondrial inner membrane |